PT-2021-15279 · Citrix · Citrix Gateway+1

Published 2021-08-05 · Updated 2021-08-16 · CVE-2021-22927

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Citrix ADC and Citrix Gateway versions 13.0 through 82.45

Description A session fixation issue exists when the SAML service provider is configured, potentially allowing an attacker to hijack a session.

Recommendations For versions 13.0 through 82.45, update to a version that includes a fix for this issue to prevent session hijacking. As a temporary workaround, consider restricting access to the SAML service provider configuration until a patch is available.

Fix

Session Fixation

Weakness Enumeration

CWE-384

Related Identifiers

CVE-2021-22927

Affected Products

Citrix Adc

Citrix Gateway

References · 5

• https://support.citrix.com/article/CTX319135 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22927 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22927 · Vendor Advisory
• https://t.me/cvenotify/19473 · Telegram Post
• https://t.me/cvenotify/18745 · Telegram Post