CVE-2022-20754
highpriority · track · 30EPSS 0.033 · 88 %ileEURUUSEPSS · scored 2026-10-27
Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker with read/write privileges to the application to write files or execute arbitrary code on the underlying operating system of an affected device as the root user. For more information about these vulnerabilities, see the Details section of this advisory.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco TelePresence Video Communication Server (VCS) Expresswaycisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.6–9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
- cisco telepresence video communication server< 14.0.5nvdUScpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-expressway-filewrite-87Q5YRkCisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities2022-03-02csaf · cisco_csafUS
Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker with read/write privileges to the application to write files or execute arbitrary code on the underlying operating system of an affected device as the root user. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-20754/cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-filewrite-87Q5YRkcnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.0890cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022030223cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-filewrite-87Q5YRkenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-filewrite-87Q5YRkVendor Advisorynvd
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