CVE-2020-14002

Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 29 Jun 2020, 00:00
Last modified:04 Aug 2024, 12:32

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
5.9 MEDIUM
v3.1 (nvd)
EPSS Score
0.75% LOW
1% probability +0.27%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Jun 2020, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 12:32
Last Modified
Vulnerability information updated

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).

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.75%• Percentile: 73%

Techniques & Countermeasures

  • CWE-203•Observable Discrepancy

    The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

Affected Systems

  • fedoraproject•fedora

    31 | 32

  • netapp•oncommand_unified_manager_core_package

    na

  • putty•putty

    ≥ 0.68, ≤ 0.73

References (7)