A vulnerability in client join services of Cisco Webex Meetings could allow an unauthenticated, remote attacker to manipulate cached HTTP responses within the meeting join service.

This vulnerability is due to improper handling of malicious HTTP requests to the affected service. An attacker could exploit this vulnerability by manipulating stored HTTP responses within the service, also known as HTTP cache poisoning. A successful exploit could allow the attacker to cause the Webex Meetings service to return incorrect HTTP responses to clients.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-16046 A vulnerability in client join services of Cisco Webex Meetings could allow an unauthenticated, remote attacker to manipulate cached HTTP responses within the meeting join service. This vulnerability is due to improper handling of malicious HTTP requests to the affected service. An attacker could exploit this vulnerability by manipulating stored HTTP responses within the service, also known as HTTP cache poisoning. A successful exploit could allow the attacker to cause the Webex Meetings service to return incorrect HTTP responses to clients.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 15 Jul 2025 22:45:00 +0900

Type Values Removed Values Added
Metrics epss

{'score': 0.00021}

epss

{'score': 0.00025}


Tue, 15 Jul 2025 05:45:00 +0900

Type Values Removed Values Added
First Time appeared Cisco
Cisco webex Meetings
CPEs cpe:2.3:a:cisco:webex_meetings:-:*:*:*:*:*:*:*
Vendors & Products Cisco
Cisco webex Meetings

Thu, 22 May 2025 04:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 22 May 2025 02:00:00 +0900

Type Values Removed Values Added
Description A vulnerability in client join services of Cisco Webex Meetings could allow an unauthenticated, remote attacker to manipulate cached HTTP responses within the meeting join service. This vulnerability is due to improper handling of malicious HTTP requests to the affected service. An attacker could exploit this vulnerability by manipulating stored HTTP responses within the service, also known as HTTP cache poisoning. A successful exploit could allow the attacker to cause the Webex Meetings service to return incorrect HTTP responses to clients.
Weaknesses CWE-349
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2025-05-21T18:49:42.332Z

Reserved: 2024-10-10T19:15:13.242Z

Link: CVE-2025-20255

cve-icon Vulnrichment

Updated: 2025-05-21T18:49:14.134Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-21T17:15:56.890

Modified: 2025-07-14T20:34:07.507

Link: CVE-2025-20255

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-13T20:07:19Z

Weaknesses