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Vulnerability record · CVE-2024-2873 · published 25 March 2024

CVE-2024-2873: Wolfssh improper authentication vulnerability

WWolfssh · Wolfssh

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.

9.1 CVSS 3.1 Critical EPSS 0.62% · top 52.2% CWE-287 · Improper authentication
9.1CVSS 3.1 base score
0.62%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/wolfSSL/wolfssh/pull/670 Issue Tracking
https://github.com/wolfSSL/wolfssh/pull/671 Issue Tracking
https://www.wolfssl.com/docs/security-vulnerabilities/ Vendor Advisory
https://github.com/wolfSSL/wolfssh/pull/670 Issue Tracking
https://github.com/wolfSSL/wolfssh/pull/671 Issue Tracking
https://www.wolfssl.com/docs/security-vulnerabilities/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-32073Wolfssh integer overflow vulnerabilityWolfSSH v1.4.7 was discovered to contain an integer overflow via the function wolfSSH_SFTP_RecvRMDIR.EPSS 1.9%9.4CVE-2025-14942Wolfssh improper authentication vulnerabilitywolfSSH’s key exchange state machine can be manipulated to leak the client’s password in the clear, trick the client to send a bogus signature, or tr…EPSS 0.40%9.4CVE-2025-11625Wolfssh improper authentication vulnerabilityImproper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients cre…EPSS 0.43%5.1CVE-2025-15382Wolfssh out-of-bounds read vulnerabilityA heap buffer over-read vulnerability exists in the wolfSSH_CleanPath() function in wolfSSH. An authenticated remote attacker can trigger the issue v…EPSS 0.34%2.3CVE-2026-0930Wolfssh out-of-bounds read vulnerabilityPotential read out of bounds case with wolfSSHd on Windows while handling a terminal resize request. An authenticated user could trigger the out of b…EPSS 0.17%1.8CVE-2025-11624Wolfssh out-of-bounds write vulnerabilityPotential stack buffer overwrite on the SFTP server side when receiving a malicious packet that has a handle size larger than the system handle or fi…EPSS 0.37%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%analysed

Source: NIST National Vulnerability Database (record CVE-2024-2873), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.