VDB

ALPINE-CVE-2020-14002

ALPINE-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).

Risk Scores

CVSS v3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products

VendorProductVersions
Alpine:v3.15putty0.73-r2, 0.73-r1, 0.73-r0
Alpine:v3.14putty0.69-r0, 0.73-r2, 0.73-r1
Alpine:v3.19putty0.73-r2, 0, 0.60-r0
Alpine:v3.11putty0.73-r2, 0.73-r1, 0.73-r0
Alpine:v3.9putty0.66-r0, 0.73-r0, 0.71-r1
Alpine:v3.10putty0, 0.60-r0, 0.61-r0
Alpine:v3.13putty0, 0.60-r0, 0.61-r0
Alpine:v3.17putty0.60-r0, 0.61-r0, 0.62-r0
Alpine:v3.16putty0.73-r2, 0.73-r1, 0.73-r0
Alpine:v3.12putty0, 0.73-r2, 0.73-r1
Alpine:v3.18putty0.73-r2, 0.73-r1, 0.73-r0

Timeline

  • Jun 29, 2020 CVE Published
  • Nov 19, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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