VulnerabilityModified
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.
HIGH 7.5EPSS 1.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.12% probability · 66th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- golang/ssh
- Source
- cve@mitre.org
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://groups.google.com/forum/#%21forum/golang-announce
- https://groups.google.com/g/golang-announce/c/2AR1sKiM-QsIssue Tracking, Mailing List, Third Party Advisory
- https://groups.google.com/forum/#%21forum/golang-announce
- https://groups.google.com/g/golang-announce/c/2AR1sKiM-QsIssue Tracking, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.