CVE-2018-7749
AsyncSSH SSH Server Authentication Bypass
9.8
CRITICAL
CVSS 3.1
EPSS 0.39%
Description
The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.
How to fix CVE-2018-7749
To remediate CVE-2018-7749, upgrade the affected package to a fixed version below.
- Debian/python-asyncssh—upgrade to 1.12.1-1 or later
- —upgrade to 1.12.1 or later
- —upgrade to c161e26cdc0d41b745b63d9f17b437f073bf7ba4 or later
Is CVE-2018-7749 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.12.1-1
- from 0, < 1.12.1
- from 0, < c161e26cdc0d41b745b63d9f17b437f073bf7ba4 | from 0, < 1.12.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |