CVE-2026-20078

MediumCVSS 6.5

Published: 15/04/2026(UTC)Updated: 25/10/2026(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 could download arbitrary files from the system, potentially exposing sensitive data or configuration. However, valid administrative credentials are required.

Recommendation

Apply available Cisco updates for Cisco Unity Connection. Restrict administrative access to the management interface and follow the principle of least privilege.

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