PT-2022-11481 · Apache+1 · Apache Guacamole+1

Damian Velardo · Published 2022-01-11 · Updated 2025-01-29 · CVE-2021-41767

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Apache Guacamole versions 1.3.0 and older

Description The issue allows an authenticated user who already has permission to access a particular connection to potentially read from or interact with another user's active use of that same connection. This is due to the incorrect inclusion of a private tunnel identifier in the non-private details of some REST responses.

Recommendations For Apache Guacamole versions 1.3.0 and older, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2022-2853

ALT-PU-2023-1077

ALT-PU-2025-2021

BIT-GUACAMOLE-2021-41767

BIT-GUACAMOLE-SERVER-2021-41767

CVE-2021-41767

Affected Products

Alt Linux

Apache Guacamole

References · 9

• https://osv.dev/vulnerability/BIT-guacamole-server-2021-41767 · Vendor Advisory
• https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-41767 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-41767 · Security Note
• https://osv.dev/vulnerability/BIT-guacamole-2021-41767 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-41767 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-41767 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41767 · Security Note
• http://openwall.com/lists/oss-security/2022/01/11/6 · Note