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TI-2025-14631 Aliases CVE-2025-20336GHSA-mrpf-c78h-6xpw

Information disclosure in Cisco Session Initiation Protocol Software

Priority LOW 39CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability exists because the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. An attacker could exploit this vulnerability by sending a crafted packet to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information from the device. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00387 33rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Session Initiation Protocol (SIP) Software12.1(1)SR1; 11.5(1); 10.3(2); 10.2(2); 10.3(1); 10.3(1)SR4; 11.0(1); 10.4(1)SR2 3rd Party; 11.7(1); 12.1(1); 11.0(0.7) MPP; 9.3(4) 3rd Party; 12.5(1)SR2; 10.2(1)SR1; 9.3(4)SR3 3rd Party; 10.2(1); 12.5(1); 10.3(1)SR2; 11-0-1MSR1-1; 10.4(1) 3rd Party; 12.5(1)SR1; 11.5(1)SR1; 10.1(1)SR2; 12.0(1)SR2; 12.6(1); 10.3(1.11) 3rd Party; 12.0(1); 12.0(1)SR1; 9.3(3); 12.5(1)SR3; 10.3(1)SR4b; 9.3(4)SR1 3rd Party; 10.3(1)SR5; 10.1(1.9); 10.3(1.9) 3rd Party; 9.3(4)SR2 3rd Party; 10.3(1)SR1; 10.3(1)SR3; 10.1(1)SR1; 12.0(1)SR3; 12.6(1)SR1; 12.7(1); 10.3(1)SR6; 12.8(1); 12.7(1)SR1; 12.8(1)SR1; 12.8(1)SR2; 14.0(1); 14.0(1)SR1; 10.3(1)SR7; 14.0(1)SR2; 14.1(1); 14.0(1)SR3; 14.1(1)SR1; 14.1(1)SR2; 14.2(1); 14.2(1)SR1; 14.1(1)SR3; 14.2(1)SR2; 3.1(1); 3.0(1); 2.3(1); 2.3(1)SR1; 2.2(1); 2.1(1); 2.0(1); 14.2(1)SR3; 3.1(1)SR1; 14.3(1); 3.2(1); 14.3(1)SR1; 14.2(1)SR4—No fix listedCNA
  • Cisco Session Initiation Protocol (SIP) Software VendorCisco Affected 12.1(1)SR1; 11.5(1); 10.3(2); 10.2(2); 10.3(1); 10.3(1)SR4; 11.0(1); 10.4(1)SR2 3rd Party; 11.7(1); 12.1(1); 11.0(0.7) MPP; 9.3(4) 3rd Party; 12.5(1)SR2; 10.2(1)SR1; 9.3(4)SR3 3rd Party; 10.2(1); 12.5(1); 10.3(1)SR2; 11-0-1MSR1-1; 10.4(1) 3rd Party; 12.5(1)SR1; 11.5(1)SR1; 10.1(1)SR2; 12.0(1)SR2; 12.6(1); 10.3(1.11) 3rd Party; 12.0(1); 12.0(1)SR1; 9.3(3); 12.5(1)SR3; 10.3(1)SR4b; 9.3(4)SR1 3rd Party; 10.3(1)SR5; 10.1(1.9); 10.3(1.9) 3rd Party; 9.3(4)SR2 3rd Party; 10.3(1)SR1; 10.3(1)SR3; 10.1(1)SR1; 12.0(1)SR3; 12.6(1)SR1; 12.7(1); 10.3(1)SR6; 12.8(1); 12.7(1)SR1; 12.8(1)SR1; 12.8(1)SR2; 14.0(1); 14.0(1)SR1; 10.3(1)SR7; 14.0(1)SR2; 14.1(1); 14.0(1)SR3; 14.1(1)SR1; 14.1(1)SR2; 14.2(1); 14.2(1)SR1; 14.1(1)SR3; 14.2(1)SR2; 3.1(1); 3.0(1); 2.3(1); 2.3(1)SR1; 2.2(1); 2.1(1); 2.0(1); 14.2(1)SR3; 3.1(1)SR1; 14.3(1); 3.2(1); 14.3(1)SR1; 14.2(1)SR4 Fixed in — No fix listed CNA

CPE configurations NVD · 64

CPEVersionsRoleVendor
cpe:2.3:o:cisco:desk_phone_9841_firmware:*:*:*:*:*:*:*:*3.0\(1\) to before 3.3\(1\)VulnerableCisco
cpe:2.3:h:cisco:desk_phone_9841:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:desk_phone_9851_firmware:*:*:*:*:*:*:*:*3.0\(1\) to before 3.3\(1\)VulnerableCisco
cpe:2.3:h:cisco:desk_phone_9851:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:desk_phone_9861_firmware:*:*:*:*:*:*:*:*3.0\(1\) to before 3.3\(1\)VulnerableCisco
cpe:2.3:h:cisco:desk_phone_9861:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:desk_phone_9871_firmware:*:*:*:*:*:*:*:*3.0\(1\) to before 3.3\(1\)VulnerableCisco
cpe:2.3:h:cisco:desk_phone_9871:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8841_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
  • cpe:2.3:o:cisco:desk_phone_9841_firmware:*:*:*:*:*:*:*:* Versions 3.0\(1\) to before 3.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:desk_phone_9841:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:desk_phone_9851_firmware:*:*:*:*:*:*:*:* Versions 3.0\(1\) to before 3.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:desk_phone_9851:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:desk_phone_9861_firmware:*:*:*:*:*:*:*:* Versions 3.0\(1\) to before 3.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:desk_phone_9861:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:desk_phone_9871_firmware:*:*:*:*:*:*:*:* Versions 3.0\(1\) to before 3.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:desk_phone_9871:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8841_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
Show 54 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:cisco:ip_phone_8841_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7811_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7811_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_7821_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7821_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7821_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_7841_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7841_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7841_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_7861_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7861_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_7861_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8811_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8811_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8845_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8845_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8851_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8851_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8851nr_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8851nr_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8851nr_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8851nr:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8861_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8861_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:*before 14.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8865_firmware:14.3\(1\):-:*:*:*:*:*:*14.3(1)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8865_firmware:14.3\(1\):sr1:*:*:*:*:*:*14.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:video_phone_8875_firmware:*:*:*:*:*:*:*:*before 2.3\(1\); 3.0\(1\) to before 3.3\(1\)VulnerableCisco
cpe:2.3:o:cisco:video_phone_8875_firmware:2.3\(1\):-:*:*:*:*:*:*2.3(1)VulnerableCisco
cpe:2.3:o:cisco:video_phone_8875_firmware:2.3\(1\):sr1:*:*:*:*:*:*2.3(1) sr1VulnerableCisco
cpe:2.3:h:cisco:video_phone_8875:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ip_phone_8821_firmware:*:*:*:*:*:*:*:*before 11.0\(6\)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):-:*:*:*:*:*:*11.0(6)VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr1:*:*:*:*:*:*11.0(6) sr1VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr2:*:*:*:*:*:*11.0(6) sr2VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr4:*:*:*:*:*:*11.0(6) sr4VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr5:*:*:*:*:*:*11.0(6) sr5VulnerableCisco
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr6:*:*:*:*:*:*11.0(6) sr6VulnerableCisco
cpe:2.3:h:cisco:ip_phone_8821:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:o:cisco:ip_phone_8841_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7811_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7811_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7821_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7821_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7821_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7841_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7841_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7841_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7861_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7861_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_7861_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8811_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8811_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8845_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8845_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8851_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8851_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8851nr_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8851nr_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8851nr_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8851nr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8861_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8861_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:* Versions before 14.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8865_firmware:14.3\(1\):-:*:*:*:*:*:* Versions 14.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8865_firmware:14.3\(1\):sr1:*:*:*:*:*:* Versions 14.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:video_phone_8875_firmware:*:*:*:*:*:*:*:* Versions before 2.3\(1\); 3.0\(1\) to before 3.3\(1\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:video_phone_8875_firmware:2.3\(1\):-:*:*:*:*:*:* Versions 2.3(1) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:video_phone_8875_firmware:2.3\(1\):sr1:*:*:*:*:*:* Versions 2.3(1) sr1 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:video_phone_8875:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8821_firmware:*:*:*:*:*:*:*:* Versions before 11.0\(6\) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):-:*:*:*:*:*:* Versions 11.0(6) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr1:*:*:*:*:*:* Versions 11.0(6) sr1 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr2:*:*:*:*:*:* Versions 11.0(6) sr2 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr4:*:*:*:*:*:* Versions 11.0(6) sr4 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr5:*:*:*:*:*:* Versions 11.0(6) sr5 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr6:*:*:*:*:*:* Versions 11.0(6) sr6 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ip_phone_8821:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-20336
  2. 2026-10-03 Alias added: GHSA-mrpf-c78h-6xpw

References

  • TI-2025-14645 Stack-based buffer overflow in Cisco Session Initiation Protocol Software CVSS 3.1HIGH 7.5
  • TI-2025-14646 Cross-site scripting in Cisco Session Initiation Protocol Software CVSS 3.1MEDIUM 6.1
  • TI-2025-14630 Improper access control in Cisco Session Initiation Protocol Software CVSS 3.1MEDIUM 5.3
  • TI-2024-13373 Cisco IP Phone 7800, 8800, and 9800 Series Information Disclosure Vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2025-14458 Cisco Video Phone 8875 and Desk Phone 9800 Series Information Disclosure Vulnerability CVSS 3.1MEDIUM 4.4

Sources