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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Golang | Ssh | < 0.0.0-20220314234659-1baeb1ce4c0b |
| Fedoraproject | Extra Packages For Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
| Redhat | Advanced Cluster Management For Kubernetes | 2.0 |
References
- https://groups.google.com/g/golang-announceMailing List, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/-cp44ypCT5sMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220429-0002/Third Party Advisory
- https://groups.google.com/g/golang-announceMailing List, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/-cp44ypCT5sMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220429-0002/Third Party Advisory
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-27191?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST