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
See the full timelineShow as table
| Published (UTC) | Outlet | Headline |
|---|---|---|
| Thu 7 May · 11:51 UTC | SecurityWeek | Cisco patches five high severity flaws across enterprise products |
| Thu 7 May · 15:21 UTC | Security Affairs | Cisco patches Unity Connection flaws tracked as CVE-2026-20034/35 |
- Cisco patches Unity Connection flaws tracked as CVE-2026-20034/35Security Affairs
- Cisco patches five high severity flaws across enterprise productsSecurityWeek · first in our coverage