CVE-2023-6004
4.8
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.
How to fix CVE-2023-6004
To remediate CVE-2023-6004, upgrade the affected package to a fixed version below.
- Debian/libssh—upgrade to 0.9.8-0+deb11u1 or later
Is CVE-2023-6004 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.9.8-0+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |