VULNERABILITY INTELLIGENCE

CVE-2020-14002

CVSS score5.9 MEDIUM
EPSS probability3.13%
CISA KEVNot currently listed
Published2020-06-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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).

Weakness classification

  • nvd@nist.gov: CWE-203

Primary references