VDB
CVE-2026-20034
CVE-2026-20034
PUBLISHED
CVSS 8.800000190734863 HIGH
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.
EPSS 0.44% · 63.8th percentile
Risk Scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.44%
63.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Unity Connection | 12.5(1), 12.5(1)SU1, 12.5(1)SU2 |
Exploit Intelligence
- CIRCL seen: CVE-2026-20034 (circl-sighting)
- CIRCL seen: CVE-2026-20034 (circl-sighting)
- cisco-sa-unity-rce-ssrf-hENhuASy (circl)
Timeline
- May 6, 2026 CVE Published
- May 6, 2026 CVE Updated
- May 6, 2026 PoC Published
- May 6, 2026 PoC Published
- May 6, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score