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CVE-2025-20278VulnerabilityPublished Updated

CVE-2025-20278: Cisco Finesse · Command Injection

Affects Cisco FinesseSource CVE Database V5

0

Not known to be exploited · CVSS 6.0 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
6.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Jun 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Cisco Cisco FinesseAffected
  • =11.0
  • =11.5
  • =11.6
  • =12.0
  • =10.5
  • =12.5
  • =12.6
Fixed in–

AI-suggested

To mitigate CVE-2025-20278, organizations should: 1) Apply Cisco's security updates or patches as soon as they become available for the affected Cisco Finesse versions. 2) Restrict CLI access strictly to trusted administrators and enforce strong authentication mechanisms, including multi-factor authentication, to reduce the risk of credential compromise. 3) Implement network segmentation and access controls to limit local access to the CLI interface, ideally isolating management interfaces from general network access. 4) Monitor and audit CLI command usage and administrative logins to detect anomalous or unauthorized activity promptly. 5) Employ intrusion detection/prevention systems (IDS/IPS) to identify suspicious command injection attempts or unusual system behavior. 6) Regularly review and update administrative credentials and enforce least privilege principles to minimize the number of users with high-level access. 7) Consider deploying endpoint protection solutions capable of detecting abnormal process execution on the affected devices. These steps go beyond generic advice by focusing on access control hardening, monitoring, and proactive detection tailored to the nature of this vulnerability.

Description

A vulnerability in the CLI of multiple Cisco Unified Communications products could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device as the root user. This vulnerability is due to improper validation of user-supplied command arguments. An attacker could exploit this vulnerability by executing crafted commands on the CLI of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of an affected device as the root user. To exploit this vulnerability, the attacker must have valid administrative credentials.

References

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