CVE-2026-20035: Cisco Unity Connection Server-Side Request Forgery Vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20035?
CVE-2026-20035 is classified as a high severity vulnerability due to its potential for allowing unauthorized server-side request forgery attacks.
How do I fix CVE-2026-20035?
To fix CVE-2026-20035, ensure you apply the latest security patches provided by Cisco for the Unity Connection Web Inbox.
Who is affected by CVE-2026-20035?
CVE-2026-20035 affects users of the Cisco Unity Connection Web Inbox with vulnerable configurations.
What types of attacks can be performed using CVE-2026-20035?
Exploiting CVE-2026-20035 could allow an attacker to perform unauthorized server-side request forgery attacks.
Is authentication required to exploit CVE-2026-20035?
No, CVE-2026-20035 can be exploited by unauthenticated remote attackers, which increases its risk.