CVE-2026-20081

MediumCVSS 6.5

Published: 15/04/2026(UTC)Updated: 26/10/2026(UTC)Translated: 26/10/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.39%

33th percentile - higher than 33% of all known CVEs

Summary

Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker to download arbitrary files from an affected system. Exploitation requires valid administrative credentials, and the vulnerabilities are due to improper sanitization of user input to the web-based management interface.

Risk Assessment

An attacker with administrative privileges can download arbitrary files from the system, potentially leading to disclosure of sensitive data and further escalation.

Recommendation

Apply Cisco security updates for Unity Connection. Restrict administrative access to the web interface and monitor for unusual HTTPS requests.

Other vulnerabilities in Cisco Unity Connection

See all

Original NVD description (English source)

Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker to download arbitrary files from an affected system. To exploit these vulnerabilities, the attacker must have valid administrative credentials.  These vulnerabilities are due to improper sanitization of user input to the web-based management interface. An attacker could exploit these vulnerabilities by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary files from an affected system.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS