CVE-2021-28041
7.1
HIGH
CVSS 3.1
EPSS 0.26%
Description
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
How to fix CVE-2021-28041
To remediate CVE-2021-28041, upgrade the affected package to a fixed version below.
- Alpine/openssh—upgrade to 8.3_p1-r2 or later
- —upgrade to 1:8.4p1-5 or later
Is CVE-2021-28041 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 8.3_p1-r2
- from 0, < 1:8.4p1-5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |