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NVD
8.8 HighCWE-35
CVE-2026-20034

Cisco Unity Connection Remote Code Execution Vulnerability

CiscoCisco Unity Connection

Status
  • Not in CISA KEV
Exploit probabilityEPSSchecked 25 Oct
0.7%probability of exploitation in the next 30 days

Higher than 53% of scored CVEs

SeverityCVSS
8.8High

Description NVD

A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device.

Coverage 2 articles · 2 outlets

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CVE-2026-20034 coverage
Published (UTC)OutletHeadline
Thu 7 May · 11:51 UTCSecurityWeekCisco patches five high severity flaws across enterprise products
Thu 7 May · 15:21 UTCSecurity AffairsCisco patches Unity Connection flaws tracked as CVE-2026-20034/35
First in our coverage: SecurityWeek, 7 MayRSS feed
  1. Cisco patches Unity Connection flaws tracked as CVE-2026-20034/35Security Affairs
  2. Cisco patches five high severity flaws across enterprise productsSecurityWeek · first in our coverage

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