CVE-2020-9497
guacamole-server - security update
4.4
MEDIUM
CVSS 3.1
EPSS 0.80%
Description
Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or compromised RDP server, specially-craftedPDUs could result in disclosure of information within the memory ofthe guacd process handling the connection.
How to fix CVE-2020-9497
To remediate CVE-2020-9497, upgrade the affected package to a fixed version below.
- —upgrade to 1.1.0 or later
- —upgrade to 1.1.0 or later
- —upgrade to 1.3.0-1 or later
- —upgrade to 0.9.9-2+deb9u1 or later
Is CVE-2020-9497 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.1.0
- from 0, < 1.1.0
- from 0, < 1.3.0-1
- from 0, < 0.9.9-2+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.4 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N |