CVE-2020-14002
moderate-risk
Published 2020-06-29
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).
Do I need to act?
-
0.75% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (4)
Affected Vendors
References (14)
Third Party Advisory
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-in...
Third Party Advisory
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-in...
31
/ 100
moderate-risk
Severity
18/34 · Moderate
Exploitability
3/34 · Minimal
Exposure
10/34 · Low