PT-2025-35809 · Cisco · Cisco Webex Meetings

John Keller · Published 2025-09-03 · Updated 2025-09-09 · CVE-2025-20291

Positive Technologies (AI Summary)

CVSS v2.0

6.4

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Cisco Webex Meetings (affected versions not specified)

Description A vulnerability in Cisco Webex Meetings could allow an unauthenticated, remote attacker to redirect a targeted user to an untrusted website. The issue stemmed from insufficient validation of URLs included in a meeting-join URL. An attacker could exploit this by including a URL to a website of their choosing within a Cisco Webex Meetings join URL, potentially redirecting the user to a malicious site and increasing the risk of phishing attacks.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

BDU:2026-00289

CVE-2025-20291

Affected Products

Cisco Webex Meetings

References · 9

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-urlredirect-uK8dDJSZ · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00289 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-20291 · Security Note
• https://twitter.com/VulmonFeeds/status/1963433479078658163 · Twitter Post
• https://t.me/CVEtracker/31618 · Telegram Post
• https://twitter.com/SystemTek_UK/status/1963677745377841597 · Twitter Post
• https://twitter.com/0dayPublishing/status/1963293258064277818 · Twitter Post
• https://twitter.com/CVEnew/status/1963298503326630089 · Twitter Post
• https://t.me/cveNotify/134828 · Telegram Post