What is CVE-2025-20236?

CVE-2025-20236 is a high-severity vulnerability in Cisco Webex Teams, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.8/10. Published 2025-04-16.

How severe is CVE-2025-20236?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-20236 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Cisco Webex Teams

CVE-2025-20236

A vulnerability in the custom URL parser of Cisco Webex App could allow an unauthenticated, remote attacker to persuade a user to download arbitrary files, which could allow the attacker to execute arbitrary commands on the host of the tar…

EPSS: 0.012 (78.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Cisco Webex Teams — versions 44.6, 44.6.0.29928, 44.6.0.30148

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

cisco-sa-webex-app-client-rce-ufyMMYLC

Frequently asked questions

What is CVE-2025-20236?: CVE-2025-20236 is a high-severity vulnerability in Cisco Webex Teams, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.8/10. Published 2025-04-16.
How severe is CVE-2025-20236?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-20236 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.