7.5

CVE-2021-43565: golang ssh

Modified
AliasesSUSE-SU-2022:0040-1SUSE-SU-2022:0130-1SUSE-SU-2022:0526-1
Published 06-09-2022Last modified 04-08-2024

Vulnerability summary

CVE-2021-43565 is a high (CVSS 7.5) vulnerability in golang ssh. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 68% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.19%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 16
OPENSUSE-SU-2025:15589-1OPENSUSE-SU-2026:11057-1OPENSUSE-SU-2026:11091-1RHSA-2022:1276RHSA-2022:1361RHSA-2022:5068

Timeline

  1. 06-09-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

1.19%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

Increase +0.07 pp

From 1.12% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard35 products
  • dex-k8s-authenticatorAll versions (No fix recorded)
  • dynamic-localpv-provisioner< 3.4.1-r3
  • dynamic-localpv-provisioner-fips< 3.5.0-r0
  • k3d< 5.6.0-r11
  • k3d-proxy< 5.6.0-r11
Wolfi18 products
  • dynamic-localpv-provisioner< 3.4.1-r3
  • k3d< 5.6.0-r11
  • k3d-proxy< 5.6.0-r11
  • k3d-tools< 5.6.0-r11
  • kubeflow< 1.10.0-r4
Suse12 products
  • kafka-kit&distro=SUSE Package Hub 15 SP2< 2.1.0-bp152.2.3.1
  • kafka&distro=SUSE Package Hub 15 SP2< 2.1.0-bp152.2.3.1
  • kubevirt&distro=SUSE Enterprise Storage 7< 0.40.0-5.17.2
  • kubevirt&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS< 0.40.0-5.17.2
  • kubevirt&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 0.40.0-5.17.2
Opensuse3 products
  • docker&distro=openSUSE Tumbleweed< 20.10.14_ce-2.1
  • kubevirt&distro=openSUSE Leap 15.3< 0.45.0-8.7.1 | < 0.49.0-150300.8.10.1
  • kubevirt&distro=openSUSE Tumbleweed< 0.49.0-1.1
Debian1 product
  • golang-go.crypto< 1:0.0~git20211202.5770296-1
Golang1 product
  • ssh< 0.0.0-20211202192323-5770296d904e
Golang.org/x1 product
  • crypto< 0.0.0-20211202192323-5770296d904e
Ubuntu1 product
  • golang-go.cryptoAll versions (No fix recorded)

8 vendors · 72 products

References

20 links
Show all 20 references