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

VendorProductVersions
CiscoCisco Unity Connection12.5(1), 12.5(1)SU1, 12.5(1)SU2

Exploit Intelligence

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
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