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TI-2024-13353 Aliases CVE-2024-20420GHSA-w5cm-m7c3-4jj4

Cisco ATA 190 Series Analog Telephone Adapter Firmware Privilege Escalation Vulnerability

Priority LOW 38CWE-250Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-250 and CWE-863.

Summary

A vulnerability in the web-based management interface of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an authenticated, remote attacker with low privileges to run commands as an Admin user. This vulnerability is due to incorrect authorization verification by the HTTP server. An attacker could exploit this vulnerability by sending a malicious request to the web-based management interface. A successful exploit could allow the attacker to run commands as the Admin user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00356 29th 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
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 Analog Telephone Adaptor (ATA) Software12.0.1 SR2; 11.1.0; 12.0.1 SR1; 11.1.0 MSR1; 11.1.0 MSR2; 11.1.0 MSR3; 11.1.0 MSR4; 12.0.1 SR3; 11.2.1; 12.0.1 SR4; 11.2.2; 11.2.2 MSR1; 12.0.1 SR5; 11.2.3; 11.2.4—No fix listedCNA
  • Cisco Analog Telephone Adaptor (ATA) Software VendorCisco Affected 12.0.1 SR2; 11.1.0; 12.0.1 SR1; 11.1.0 MSR1; 11.1.0 MSR2; 11.1.0 MSR3; 11.1.0 MSR4; 12.0.1 SR3; 11.2.1; 12.0.1 SR4; 11.2.2; 11.2.2 MSR1; 12.0.1 SR5; 11.2.3; 11.2.4 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:*:*:*:*before 12.0.2VulnerableCisco
cpe:2.3:h:cisco:ata_191:-:*:*:*:on-premises:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:*:*:*:*before 11.2.5VulnerableCisco
cpe:2.3:h:cisco:ata_191:-:*:*:*:multiplatform:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ata_192_firmware:*:*:*:*:*:*:*:*before 11.2.5VulnerableCisco
cpe:2.3:h:cisco:ata_192:-:*:*:*:multiplatform:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:*:*:*:* Versions before 12.0.2 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ata_191:-:*:*:*:on-premises:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:*:*:*:* Versions before 11.2.5 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ata_191:-:*:*:*:multiplatform:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ata_192_firmware:*:*:*:*:*:*:*:* Versions before 11.2.5 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ata_192:-:*:*:*:multiplatform:*:*:* 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-2024-20420
  2. 2026-10-03 Alias added: GHSA-w5cm-m7c3-4jj4

References

Advisory 1

  • TI-2022-05248 Multiple vulnerabilities in the Cisco Discovery Protocol functionality of Cisco ATA 190… CVSS 3.1HIGH 8.8
  • TI-2021-13710 Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities CVSS 3.1HIGH 8.8
  • TI-2021-13734 Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities CVSS 3.1HIGH 8.8
  • TI-2024-13383 Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities CVSS 3.1HIGH 8.2
  • TI-2022-05249 Multiple vulnerabilities in the Cisco Discovery Protocol functionality of Cisco ATA 190… CVSS 3.1HIGH 8.8
  • TI-2024-13384 Cisco ATA 190 Series Analog Telephone Adapter Muliplatform Firmware Command Injection Vulnerability CVSS 3.1HIGH 7.2
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences