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.
CVSS Details
- CVSS 3.1 Base Score: 9.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-libssh | Oct 26, 2018 | Oct 17, 2018 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Oct 17, 2018 | |
| Debian | debian-upgrade-libssh | Oct 19, 2018 | Oct 16, 2018 | |
| Freebsd | freebsd-upgrade-package-libssh | Oct 18, 2018 | Oct 17, 2018 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-libssh | Sep 25, 2019 | Oct 17, 2018 | |
| Libssh | — | libssh-upgrade-latest | Oct 18, 2018 | Oct 16, 2018 |
| Suse | — | suse-upgrade-libssh-develsuse-upgrade-libssh-devel-docsuse-upgrade-libssh4suse-upgrade-libssh4-32bit | Oct 19, 2018 | Oct 16, 2018 |
| Ubuntu | ubuntu-upgrade-libssh-4 | Oct 23, 2018 | Oct 16, 2018 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub