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TI-2023-06898 Aliases CVE-2023-20192GHSA-hqc2-r8jq-7rg7

Cisco Expressway Series and Cisco TelePresence Video Communication Server Privilege Escalation Vulnerabilities

Priority MEDIUM 42CWE-20Published · Updated

Key facts

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

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

Summary

Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated attacker with Administrator-level read-only credentials to elevate their privileges to Administrator with read-write credentials on an affected system. Note: "Cisco Expressway Series" refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices. For more information about these vulnerabilities, see the Details section of this advisory.

Why it matters now

EPSS 0.00656 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

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:telepresence_video_communication_server:*:*:*:*:expressway:*:*:*up to x14.0.3VulnerableCisco
cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:*up to x14.0.3VulnerableCisco
  • cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:expressway:*:*:* Versions up to x14.0.3 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:* Versions up to x14.0.3 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-20192
  2. 2026-10-03 Alias added: GHSA-hqc2-r8jq-7rg7
  3. 2026-10-12 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2023-06915 Code injection in Cisco TelePresence Video Communication Server Expressway CVSS 3.1HIGH 7.2
  • TI-2019-01468 Improper input validation in Cisco TelePresence Video Communication Server CVSS 3.0HIGH 8.6
  • TI-2022-05314 Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities CVSS 3.1CRITICAL 9.0
  • TI-2022-05313 Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities CVSS 3.1CRITICAL 9.0
  • TI-2022-05371 Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities CVSS 3.1CRITICAL 9.0
See all 41 →

Sources

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