CVE-2024-20254Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an…
- 9.6CriticalCVSS base score
- 0.80%Exploitation in 30 daysEPSS · top 43% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to conduct cross-site request forgery (CSRF) attacks that perform arbitrary actions on an affected device. 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 ["#details"] section of this advisory.
Timeline
ID reserved
By cisco
- 3 months later
· 3 months later
Published
- 7 months later
· 7 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.1 | Critical9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.80% · top 43% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.6.
Affected products
Cisco · Cisco TelePresence Video Communication Server (VCS) Expressway
- affected X8.5.1
- affected X8.5.3
- affected X8.5
- affected X8.6.1
- affected X8.6
- affected X8.1.1
- affected X8.1.2
- affected X8.1
- affected X8.2.1
- affected X8.2.2
- affected X8.2
- affected X8.7.1
- affected X8.7.2
- affected X8.7.3
- affected X8.7
- affected X8.8.1
- affected X8.8.2
- affected X8.8.3
- affected X8.8
- affected X8.9.1
- affected X8.9.2
- affected X8.9
- affected X8.10.0
- affected X8.10.1
- affected X8.10.2
- affected X8.10.3
- affected X8.10.4
- affected X12.5.8
- affected X12.5.9
- affected X12.5.0
- affected X12.5.2
- affected X12.5.7
- affected X12.5.3
- affected X12.5.4
- affected X12.5.5
- affected X12.5.1
- affected X12.5.6
- affected X12.6.0
- affected X12.6.1
- affected X12.6.2
- and 29 more
What to do
Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
References
References1
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-17969 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-20254)Record last updated .