VULNERABILITY INTELLIGENCE
CVE-2020-11997
CVSS score4.3 MEDIUM
EPSS probability1.26%
CISA KEVNot currently listed
Published2021-01-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
Apache Guacamole 1.2.0 and earlier do not consistently restrict access to connection history based on user visibility. If multiple users share access to the same connection, those users may be able to see which other users have accessed that connection, as well as the IP addresses from which that connection was accessed, even if those users do not otherwise have permission to see other users.
Weakness classification
- nvd@nist.gov: CWE-276
Primary references
- security@apache.org — Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory