CVE-2021-43999

HIGH

Apache Guacamole <1.3.0 - Privilege Escalation

Title source: llm
STIX 2.1

Description

Apache Guacamole 1.2.0 and 1.3.0 do not properly validate responses received from a SAML identity provider. If SAML support is enabled, this may allow a malicious user to assume the identity of another Guacamole user.

References (2)

Core 2
Core References
Mailing List, Vendor Advisory x_refsource_misc
https://lists.apache.org/thread/4dt9h5mo4o9rxlgxm3rp8wfqdtdjn2z9
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2022/01/11/7

Scores

CVSS v3 8.8
EPSS 0.0136
EPSS Percentile 80.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (2)
apache/guacamole 1.2.0
apache/guacamole 1.3.0
Published Jan 11, 2022
Tracked Since Feb 18, 2026