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TI-2022-05371 Aliases CVE-2022-20812GHSA-gccr-pgwc-7hq4

Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Priority MEDIUM 45CWE-158Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow a remote attacker to overwrite arbitrary files or conduct null byte poisoning attacks on an affected device. Note: Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device. 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 0.0198 80th 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 TelePresence Video Communication Server (VCS) Expresswayall versions—No fix listedCNA
  • Cisco TelePresence Video Communication Server (VCS) Expressway VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:cisco:expressway:*:*:*:*:*:*:*:*before x14.0.7VulnerableCisco
cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:*before x14.0.7VulnerableCisco
  • cpe:2.3:a:cisco:expressway:*:*:*:*:*:*:*:* Versions before x14.0.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:* Versions before x14.0.7 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Cisco TelePresence Video Communication Server (VCS) Expressway — 20220706 Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2022-05372 Cisco Expressway Series and Cisco TelePresence Video Communication Server VulnerabilitiesPriority MEDIUM 43
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-20812
  2. 2026-10-03 Alias added: GHSA-gccr-pgwc-7hq4

References

Advisory 2

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2018-03923 Uncontrolled resource consumption in Linux Kernel CVSS 3.1HIGH 7.5
  • TI-2024-13189 Cross-site request forgery in Cisco TelePresence Video Communication Server Expressway CVSS 3.1CRITICAL 9.6
  • TI-2024-13187 Cross-site request forgery in Cisco TelePresence Video Communication Server Expressway CVSS 3.1CRITICAL 9.6
  • TI-2022-05372 Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities CVSS 3.1CRITICAL 9.0
  • TI-2017-02888 Resource management flaw in Cisco Expressway Series Software and Cisco TelePresence VCS… CVSS 3.0HIGH 8.6
See all 13 →

Sources

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