VDB
CVE-2020-14002
CVE-2020-14002
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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).
EPSS 3.13% · 87.4th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
3.13%
87.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | putty | 0, 0.65-2, 0.66-1 |
| Ubuntu:20.04:LTS | putty | 0, 0.72-1, 0.73-1 |
| Ubuntu:18.04:LTS | putty | 0, 0.70-2, 0.70-3 |
Timeline
- Jun 29, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-14002 third-party-advisory
- https://lists.tartarus.org/pipermail/putty-announce/ third-party-advisory
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html 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
- https://www.cve.org/CVERecord?id=CVE-2020-14002 third-party-advisory