Skip to main content
cvebuzz

CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2022-20812

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.

CVSS 9.0 · CriticalBuzz score 20.4

Buzz score

Why this CVE is surfacing

Buzz score total 20.4

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • Cisco Patches Code and Command Execution Vulnerabilities in Several ProductsSecurityWeek

    Cisco has released patches for high-severity vulnerabilities impacting Secure Network Analytics and Identity Services Engine (ISE) products.

    newswww.securityweek.comApr 6, 2023, 2:57 PM
  • Cisco fixed a critical arbitrary File Overwrite flaw in Enterprise Communication solutionsSecurity Affairs

    Cisco fixed a critical vulnerability in the Cisco Expressway series and TelePresence Video Communication Server (VCS) products. Cisco released security patches to address a critical vulnerability, tracked as CVE-2022-20812 (CVSS score of 9.0), in the Expressway series and TelePresence Video Communication Server (VCS). A remote attacker can trigger the flaw to overwrite files on the […]

    newssecurityaffairs.comJul 8, 2022, 6:41 PM
  • Cisco Patches Critical Vulnerability in Enterprise Communication SolutionsSecurityWeek

    Cisco this week announced the availability of patches for a critical vulnerability in the Cisco Expressway series and TelePresence Video Communication Server (VCS) products that could allow an attacker to overwrite files on the underlying operating system with root privileges.

    newswww.securityweek.comJul 8, 2022, 2:21 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence