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CVE-2022-27191

HIGHCVSS 7.5/10EPSS 3.93%

Last modified

CVE-2022-27191 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.. EPSS estimates a 3.93% chance of exploitation in the next 30 days.

Description

The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
3.93%

89.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
GolangSsh< 0.0.0-20220314234659-1baeb1ce4c0b
FedoraprojectExtra Packages For Enterprise Linux8.0
FedoraprojectFedora34
FedoraprojectFedora35
FedoraprojectFedora36
RedhatAdvanced Cluster Management For Kubernetes2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-27191?
The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.
How severe is CVE-2022-27191?
CVE-2022-27191 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.93% probability of exploitation in the next 30 days.
How do I fix CVE-2022-27191?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-27191?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST