CVE catalog
CVE-2023-46445
AsyncSSH vulnerabilities
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.59% · Oct 25, 2026
An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | python-asyncssh | sid | 2.24.0-2 | fixed |
| Debian | python-asyncssh | forky | 2.24.0-2 | fixed |
| Debian | python-asyncssh | trixie | 2.20.0-1 | fixed |
| Debian | python-asyncssh | bookworm | 2.10.1-2+deb12u2 | fixed |
| Debian | python-asyncssh | bookworm-security | 2.10.1-2+deb12u1 | vulnerable |
| Ubuntu | python-asyncssh | noble | 2.10.1-2ubuntu0.1+esm1 | fixed |
| Ubuntu | python-asyncssh-doc | noble | 2.10.1-2ubuntu0.1+esm1 | fixed |
| Ubuntu | python3-asyncssh | noble | 2.10.1-2ubuntu0.1+esm1 | fixed |
| Opensuse | python-asyncssh | tumbleweed | 2.24.0-1.1 | fixed |
| Ubuntu | python-asyncssh | pro | 1.8.1-2 | vulnerable |
| Ubuntu | python-asyncssh | pro | 1.11.0-2 | vulnerable |
| Ubuntu | python-asyncssh | pro | 1.11.1-1 | vulnerable |
| Ubuntu | python-asyncssh | pro | 1.11.1-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | python-asyncssh | pro | 1.11.1-1ubuntu0.1~esm2 | fixed |
| Ubuntu | python-asyncssh | 20.04 | 1.12.2-1 | vulnerable |
| Ubuntu | python-asyncssh | 20.04 | 1.12.2-1ubuntu0.1 | vulnerable |
| Ubuntu | python-asyncssh | 20.04 | 1.12.2-1ubuntu0.2 | fixed |
| Ubuntu | python-asyncssh | 22.04 | 2.5.0-1 | vulnerable |
| Ubuntu | python-asyncssh | 22.04 | 2.5.0-1ubuntu0.1 | fixed |
| Ubuntu | python-asyncssh | pro | 2.10.1-2 | vulnerable |
| Ubuntu | python-asyncssh | pro | 2.10.1-2ubuntu0.1 | vulnerable |
| Ubuntu | python-asyncssh | pro | 2.10.1-2ubuntu0.1+esm1 | fixed |
| Ubuntu | python-asyncssh | 16.04 | 1.2.0-1 | vulnerable |
| Ubuntu | python-asyncssh | 16.04 | 1.2.1-1 | vulnerable |
| Ubuntu | python-asyncssh | 16.04 | 1.3.0-1 | vulnerable |
| Ubuntu | python-asyncssh | pro | 2.10.1-2 | vulnerable |
| Ubuntu | python-asyncssh | pro | 2.10.1-2ubuntu0.1 | vulnerable |
| Ubuntu | python-asyncssh | pro | 2.10.1-2ubuntu0.1+esm1 | fixed |
| Ubuntu | python-asyncssh | 20.04 | 1.12.2-1 | vulnerable |
| Ubuntu | python-asyncssh | 20.04 | 1.12.2-1ubuntu0.1 | vulnerable |
| Ubuntu | python-asyncssh | 20.04 | 1.12.2-1ubuntu0.2 | fixed |
| Ubuntu | python-asyncssh | 22.04 | 2.5.0-1 | vulnerable |
| Ubuntu | python-asyncssh | 22.04 | 2.5.0-1ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | python-asyncssh | source | sid | 2.15.0-1 | not yet assigned | Not reported | [1056000] |
| Debian | python-asyncssh | source | forky | 2.15.0-1 | not yet assigned | Not reported | [1056000] |
| Debian | python-asyncssh | source | trixie | 2.15.0-1 | not yet assigned | Not reported | [1056000] |
| Debian | python-asyncssh | source | bookworm | 2.10.1-2+deb12u2 | not yet assigned | Not reported | [1056000] |
| Ubuntu | python-asyncssh | deb | noble | 2.10.1-2ubuntu0.1+esm1 | Not reported | Not reported | Not reported |
| Ubuntu | python-asyncssh-doc | deb | noble | 2.10.1-2ubuntu0.1+esm1 | Not reported | Not reported | Not reported |
| Ubuntu | python3-asyncssh | deb | noble | 2.10.1-2ubuntu0.1+esm1 | Not reported | Not reported | Not reported |
| Opensuse | python-asyncssh | rpm | tumbleweed | 2.24.0-1.1 | Not reported | OPENSUSE-SU-2026:11851-1 | Not reported |
| Ubuntu | python-asyncssh | deb | pro | 1.11.1-1ubuntu0.1~esm2 | Not reported | USN-7108-2 | Not reported |
| Ubuntu | python-asyncssh | deb | 20.04 | 1.12.2-1ubuntu0.2 | Not reported | USN-7108-1 | Not reported |
| Ubuntu | python-asyncssh | deb | 22.04 | 2.5.0-1ubuntu0.1 | Not reported | USN-7108-1 | Not reported |
| Ubuntu | python-asyncssh | deb | pro | 2.10.1-2ubuntu0.1+esm1 | Not reported | USN-7108-1 | Not reported |
| Ubuntu | python-asyncssh | deb | pro | 2.10.1-2ubuntu0.1+esm1 | Not reported | UBUNTU-CVE-2023-46445 | Not reported |
| Ubuntu | python-asyncssh | deb | 20.04 | 1.12.2-1ubuntu0.2 | Not reported | UBUNTU-CVE-2023-46445 | Not reported |
| Ubuntu | python-asyncssh | deb | 22.04 | 2.5.0-1ubuntu0.1 | Not reported | UBUNTU-CVE-2023-46445 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_13417-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-46445]
- [https://osv.dev/vulnerability/DLA-3899-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-46445]
- [https://osv.dev/vulnerability/USN-7108-1]
- [https://osv.dev/vulnerability/USN-7108-2]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11851-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-46445]
- [https://ubuntu.com/security/notices/USN-7108-1]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]