PT-2020-16792 · Citadel · Citadel Webcit

Published 2020-10-28 · Updated 2020-11-04 · CVE-2020-27739

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Citadel WebCit versions prior to 926

Description A Weak Session Management issue allows unauthenticated remote attackers to hijack the sessions of users who recently logged in. This was reported to the vendor in a publicly archived thread titled "Multiple Security Vulnerabilities in WebCit 926".

Recommendations For Citadel WebCit versions prior to 926, consider temporarily restricting session management functionality until a patch is available. As a temporary workaround, restrict access to session-related features to minimize the risk of exploitation. Avoid using session-related parameters in affected API endpoints until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Insufficient Session Expiration

Weakness Enumeration

CWE-613

Related Identifiers

CVE-2020-27739

Affected Products

Citadel Webcit

References · 8

• 🔥 http://uncensored.citadel.org/readfwd?go=Citadel%20Security?start_reading_at=4592834 · Exploit
• https://citadel.org · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27739 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-27739 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-27739 · Security Note
• https://ubuntu.com/security/CVE-2020-27739 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27739 · Vendor Advisory
• https://t.me/cvenotify/5133 · Telegram Post