Vulnerability in Golang Ssh

CVE-2021-43565

The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.

EPSS: 0.010 (58.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Golang Ssh
N/a — versions n/a

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Mailing List, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-43565?: CVE-2021-43565 is a high-severity vulnerability in Golang Ssh. CVSS score: 7.5/10. Published 2022-09-06.
How severe is CVE-2021-43565?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-43565 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.