CVE-2026-20034HIGH 8.8EPSS p48.1%
CVE-2026-20034CVE-2026-20034
Description
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.
Scoring
| CVSS 3.1 | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.70% probability of exploitation · percentile 48.1% · 2026-06-18T12:00:27Z |
| Published | 2026-05-06 |
| Last modified | 2026-05-06 |
Underlying weaknesses· 1
References
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Path Traversal: '.../...//'cwe-35 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.