Vulnerability record · CVE-2026-20035 · published 6 May 2026

CVE-2026-20035: Cisco unity connection server-side request forgery (ssrf) vulnerability

Cisco · Unity Connection

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.

7.2 CVSS 3.1 High EPSS 0.30% · top 79.2% CWE-918 · Server-side request forgery (SSRF)

7.2CVSS 3.1 base score

0.30%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

1References

8 Jul 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Unity Connection Cisco

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-20035), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.