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CVE-2020-29652

24
FAUCET Score

CVE-2020-29652 describes a nil pointer dereference vulnerability in the golang.org/x/crypto/ssh component, affecting Go-based SSH servers. This flaw allows remote attackers to trigger a denial of service (DoS) condition. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low complexity, requiring no user interaction or privileges, and its primary impact is system availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.0.0-20201203163018-be400aefbc4cCPE matchmatch criteria
cpe:2.3:a:golang:ssh:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.23%
Probability of exploitation in next 30 days
EPSS Percentile
86.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0323 is in the 77th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (55)

gopatch availablevia ghsa
Product: golang.org/x/cryptoFixed in: 0.0.0-20201216223049-8b5274cf687f
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: container-tools:rhel8-8040020210407081426.59631bd5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.7Fixed in: openshift4/ose-aws-ebs-csi-driver-rhel8:v4.7.0-202102130115.p0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.7Fixed in: openshift4/ose-azure-machine-controllers:v4.7.0-202102130115.p0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.7Fixed in: openshift4/ose-baremetal-installer-rhel8:v4.7.0-202102130115.p0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.7Fixed in: openshift4/ose-installer:v4.7.0-202102130115.p0
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8-CNV-4.8Fixed in: container-native-virtualization/vm-import-operator-rhel8:v4.8.0-18
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.7Fixed in: openshift4/ose-installer-artifacts:v4.7.0-202102130115.p0
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-tests
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: kubernetes-nmstate-handler-container
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: csi-provisioner
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: openshift-enterprise-cluster-capacity
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: openshift-enterprise-image-registry
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: openshift-eventrouter
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: openshift-external-storage
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: openvswitch-ovn-kubernetes
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-cluster-logging-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-cluster-network-rhel9-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-hyperkube
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-metering-helm-container-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-node-feature-discovery
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-vertical-pod-autoscaler-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-vertical-pod-autoscaler-rhel9-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: podman
redhatvendor investigatingvia redhat_api
Product: Red Hat Openshift Container Storage 4Fixed in: ocs4/cephcsi-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: cluster-network-addons-operator-container
redhatvendor investigatingvia redhat_api
Product: Red Hat Storage 3Fixed in: heketi
redhatvendor investigatingvia redhat_api
Product: Red Hat Fuse 7Fixed in: crypto/ssh
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: atomic-openshift
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: atomic-openshift-cluster-autoscaler
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: atomic-openshift-descheduler
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: atomic-openshift-dockerregistry
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: atomic-openshift-service-idler
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: atomic-openshift-web-console
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: csi-attacher
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: csi-driver-registrar
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: servicemesh
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: servicemesh-cni
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/multicluster-operators-subscription-release-rhel8
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/multicluster-operators-subscription-rhel8
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: 3scale-istio-adapter-rhel8-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: csi-driver-manilla-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: virt-api-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-aws-ebs-csi-driver-rhel9
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-baremetal-installer-rhel8
redhatno patchvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: virt-controller-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: virt-handler-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-csi-driver-nfs-rhel8
redhatno patchvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: virt-launcher-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-installer-artifacts-rhel9
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-installer-rhel9
redhatno patchvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: virt-operator-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Virtualization 2Fixed in: hyperconverged-cluster-operator-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-sriov-dp-admission-controller-rhel9

Vendor Advisories (2)

goGHSA-3vm4-22fp-5rfmhigh

golang.org/x/crypto/ssh NULL Pointer Dereference vulnerability

May 24, 2022
redhatCVE-2020-29652Important

golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference

Dec 16, 2020

References

go-review.googlesource.com / c/crypto/+/278852
Third Party Advisory
groups.google.com / g/golang-announce/c/ouZIlBimOsE
Third Party Advisory
lists.apache.org / thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff%40%3Cnotifications.skywalking.apache.org%3E