5.9

CVE-2020-14002

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).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
PuTTY ≫ PuTTY Version >= 0.68 <= 0.73
Fedoraproject ≫ Fedora Version31
Fedoraproject ≫ Fedora Version32
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.15% 0.863
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.9 2.2 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:P/I:N/A:N
CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
Third Party Advisory
Release Notes
https://lists.debian.org/debian-lts-announce/2024/04/msg00016.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26TACCSQYYCPWAJYNAUIXJGZ5RGORJZV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JPV4A77EDCT4BTFO5BE26ZH72BG4E5IJ/
https://lists.tartarus.org/pipermail/putty-announce/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200717-0003/
Third Party Advisory
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/
Third Party Advisory