CVE-2024-2873

User authentication bypass in wolfSSH server

Description

A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.

Remediation

Solution:

  • The fix for this issue is located in the following GitHub Pull Requests: * https://github.com/wolfSSL/wolfssh/pull/670 * https://github.com/wolfSSL/wolfssh/pull/671

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.19%
Vendor Advisory wolfssl.com
Affected: wolfSSL Inc. wolfSSH
Published at:
Updated at:

References

Link Tags
https://github.com/wolfSSL/wolfssh/pull/670 patch
https://github.com/wolfSSL/wolfssh/pull/671 patch
https://www.wolfssl.com/docs/security-vulnerabilities/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-2873?
CVE-2024-2873 has been scored as a critical severity vulnerability.
How to fix CVE-2024-2873?
To fix CVE-2024-2873: The fix for this issue is located in the following GitHub Pull Requests: * https://github.com/wolfSSL/wolfssh/pull/670 * https://github.com/wolfSSL/wolfssh/pull/671
Is CVE-2024-2873 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-2873 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-2873?
CVE-2024-2873 affects wolfSSL Inc. wolfSSH.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.