VULNERABILITY INTELLIGENCE
CVE-2020-9498
CVSS score6.7 MEDIUM
EPSS probability0.74%
CISA KEVNot currently listed
Published2020-07-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Description
Apache Guacamole 1.1.0 and older may mishandle pointers involved inprocessing data received via RDP static virtual channels. If a userconnects to a malicious or compromised RDP server, a series ofspecially-crafted PDUs could result in memory corruption, possiblyallowing arbitrary code to be executed with the privileges of therunning guacd process.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- security@apache.org — Third Party Advisory
- security@apache.org
- security@apache.org
- security@apache.org
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org
- security@apache.org
- security@apache.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108