Medium severity5.9NVD Advisory· Published Jun 29, 2020· Updated Jun 17, 2026
CVE-2020-14002
CVE-2020-14002
Description
PuTTY 0.68 through 0.73 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- PuTTY/PuTTYdescription
Patches
Vulnerability mechanics
References
7- lists.tartarus.org/pipermail/putty-announce/nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20200717-0003/nvdThird Party Advisory
- www.chiark.greenend.org.uk/~sgtatham/putty/changes.htmlnvdRelease NotesThird Party Advisory
- www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2024/04/msg00016.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26TACCSQYYCPWAJYNAUIXJGZ5RGORJZV/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JPV4A77EDCT4BTFO5BE26ZH72BG4E5IJ/nvd
News mentions
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