CVE-2026-20035

Cisco Unity Connection Server-Side Request Forgery Vulnerability

CVSS 7.2 HIGHEPSS 0.4%CWE-918

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.2EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

06 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send arbitrary network requests that are sourced from the affected device.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Affected products

Cisco · Cisco Unity Connection

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References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-rce-ssrf-hENhuASy