What’s Vulnerable › Vulnerabilities

CVE-2024-2873: User authentication bypass in wolfSSH server

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-25 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• wolfSSL Inc. wolfSSH: before 1.4.17 — fixed in 1.4.17

How to fix

Upgrade to a fixed version: wolfSSL Inc. wolfSSH 1.4.17. Check the vendor advisory for mitigations.

References

• https://github.com/wolfSSL/wolfssh/pull/670
• https://github.com/wolfSSL/wolfssh/pull/671
• https://www.wolfssl.com/docs/security-vulnerabilities/
• https://github.com/wolfSSL/wolfssh/pull/670
• https://github.com/wolfSSL/wolfssh/pull/671
• https://www.wolfssl.com/docs/security-vulnerabilities/

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