CVE-2020-29652

Aliases:GHSA-3vm4-22fp-5rfmGO-2021-0227
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 17 Dec 2020, 04:12
Last modified:04 Aug 2024, 16:55

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Dec 2020, 04:12
Published
Vulnerability first disclosed
04 Aug 2024, 16:55
Last Modified
Vulnerability information updated

Description

A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.

CVSS Metrics

  • v3.1HIGHScore: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0MEDIUMScore: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.03% Percentile: 9%

Techniques & Countermeasures

  • CWE-476NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • golang.org/xcrypto

    < 0.0.0-20201216223049-8b5274cf687f

  • golangssh

    ≤ 0.0.0-20201203163018-be400aefbc4c

References (8)