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VulnerabilityPublished

CVE-2025-20375: Unrestricted File Upload

Source GCVE Database

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Authoritative record:CVE-2025-20375· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium.

Data as of 4 Nov 2026, 18:11 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (cisco)CVSS 3.16.5
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 4 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
CiscoCisco Unified Contact Center ExpressAffected
  • 10.5(1) – UCCX 15.0.1
57 affected builds
Fixed in–

AI-suggested

Since the vulnerability requires valid administrative credentials, restricting administrative access and enforcing strong authentication controls are recommended interim mitigations. Monitor Cisco advisories for official patches or updates addressing this vulnerability.

Description

CVE-2025-20375 is a vulnerability in the web UI of Cisco Unified CCX that allows an authenticated remote attacker with administrative credentials to upload and execute arbitrary files. This flaw arises from insufficient input validation in specific UI features, enabling crafted file uploads that can lead to execution on the underlying operating system. The vulnerability has a medium severity rating with a CVSS score of 6.5.

References

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