CVE-2020-14002
5.9
MEDIUM
CVSS 3.1
EPSS 0.57%
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).
How to fix CVE-2020-14002
To remediate CVE-2020-14002, upgrade the affected package to a fixed version below.
- Alpine/putty—upgrade to 0.74-r0 or later
- —upgrade to 0.74-1 or later
Is CVE-2020-14002 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.74-r0
- from 0, < 0.74-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |