Medium severity5.9NVD Advisory· Published Nov 14, 2023· Updated Jun 17, 2026
CVE-2023-46445
CVE-2023-46445
Description
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."
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
asyncsshPyPI | < 2.14.1 | 2.14.1 |
Affected products
2- AsyncSSH/AsyncSSHdescription
Patches
Vulnerability mechanics
References
13- github.com/advisories/GHSA-cfc2-wr2v-gxm5nvdADVISORY
- github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5nvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-46445ghsaADVISORY
- packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.htmlnvdWEB
- github.com/pypa/advisory-database/tree/main/vulns/asyncssh/PYSEC-2023-237.yamlghsaWEB
- github.com/ronf/asyncssh/blob/develop/docs/changes.rstnvdWEB
- github.com/ronf/asyncssh/commit/83e43f5ea3470a8617fc388c72b062c7136efd7eghsaWEB
- lists.debian.org/debian-lts-announce/2024/09/msg00042.htmlnvdWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTEghsaWEB
- security.netapp.com/advisory/ntap-20231222-0001ghsaWEB
- www.terrapin-attack.comnvdWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/nvd
- security.netapp.com/advisory/ntap-20231222-0001/nvd
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