CVE-2018-10933
libssh - security update
9.1
CRITICAL
CVSS 3.1
EPSS 78.3%
Description
A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.
How to fix CVE-2018-10933
To remediate CVE-2018-10933, upgrade the affected package to a fixed version below.
- Alpine/libssh—upgrade to 0.7.6-r0 or later
- —upgrade to 0.8.4-1 or later
- —upgrade to 0.6.3-4+deb8u3 or later
- —upgrade to 0.7.3-2+deb9u1 or later
Is CVE-2018-10933 being exploited?
Likely — EPSS is 78.3%, placing CVE-2018-10933 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (4)
- from 0, < 0.7.6-r0
- from 0, < 0.8.4-1
- from 0, < 0.6.3-4+deb8u3
- from 0, < 0.7.3-2+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |