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TI-2020-15937 Aliases CVE-2020-26085GHSA-mjgx-fh7r-8mmh

Cisco Jabber Desktop and Mobile Client Software Vulnerabilities

Priority MEDIUM 47CWE-201Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-201 and CWE-78.

Summary

Multiple vulnerabilities in Cisco Jabber for Windows, Jabber for MacOS, and Jabber for mobile platforms could allow an attacker to execute arbitrary programs on the underlying operating system (OS) with elevated privileges or gain access to sensitive information. For more information about these vulnerabilities, see the Details section of this advisory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02316 83rd 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
No
Technical impact
Total

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 Jabberall versions—No fix listedCNA
  • Cisco Jabber VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:*before 12.1.4VulnerableCisco
cpe:2.3:a:cisco:jabber:*:*:*:*:*:macos:*:*before 12.8.5VulnerableCisco
cpe:2.3:a:cisco:jabber:*:*:*:*:*:android:*:*before 12.9.4VulnerableCisco
cpe:2.3:a:cisco:jabber:*:*:*:*:*:iphone_os:*:*before 12.9.4VulnerableCisco
cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:*12.5 to before 12.5.3; 12.6 to before 12.6.4; 12.7 to before 12.7.3; 12.8 to before 12.8.4; 12.9 to before 12.9.3VulnerableCisco
cpe:2.3:a:cisco:jabber:*:*:*:*:*:macos:*:*12.9 to before 12.9.4VulnerableCisco
  • cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:* Versions before 12.1.4 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:jabber:*:*:*:*:*:macos:*:* Versions before 12.8.5 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:jabber:*:*:*:*:*:android:*:* Versions before 12.9.4 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:jabber:*:*:*:*:*:iphone_os:*:* Versions before 12.9.4 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:* Versions 12.5 to before 12.5.3; 12.6 to before 12.6.4; 12.7 to before 12.7.3; 12.8 to before 12.8.4; 12.9 to before 12.9.3 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:jabber:*:*:*:*:*:macos:*:* Versions 12.9 to before 12.9.4 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-26085
  2. 2026-10-03 Alias added: GHSA-mjgx-fh7r-8mmh

References

  • TI-2020-03041 Cisco Jabber for Windows Message Handling Arbitrary Code Execution Vulnerability CVSS 3.1CRITICAL 9.9
  • TI-2020-02979 Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability CVSS 3.1HIGH 8.8
  • TI-2021-01198 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
  • TI-2021-01138 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
  • TI-2020-16496 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
  • TI-2020-16494 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
See all 33 →

Sources