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Vendor advisorySeverity 5.1 medium
Cisco Unified Communications Products Privilege Escalation Vulnerability
cisco-sa-cucm-kkhZbHR5 · Cisco · May 21, 2025
Summary
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an authenticated, local attacker to elevate privileges to root on an affected device.
This vulnerability is due to excessive permissions that have been assigned to system commands. An attacker could exploit this vulnerability by executing crafted commands on the underlying operating system. A successful exploit could allow the attacker to escape the restricted shell and gain root privileges on the underlying operating system of an affected device. To successfully exploit this vulnerability, an attacker would need administrative access to the ESXi hypervisor.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
From Cisco (vendor's own words, quoted), quoted as published. Check the source before acting.
What to do
Cisco has released software updates that address this vulnerability.
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2025-20112 | 5.1 medium | No | 0.1% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Cisco | Cisco Emergency Responder |
| Cisco | Cisco Unity Connection |
| Cisco | Cisco Unified Communications Manager |
| Cisco | Cisco Unified Contact Center Express |
| Cisco | Cisco Unified Communications Manager IM and Presence Service |
| Cisco | Cisco Finesse |
| Cisco | Cisco SocialMiner |
| Cisco | Cisco Unified Intelligence Center |
| Cisco | Cisco Prime Collaboration Deployment |
| Cisco | Cisco Virtualized Voice Browser |
Why it's on these mode pages
- Maritime: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
Change history
- May 21, 2025: Initial public release.
- November 9, 2026: First collected by Watch
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