CVE-2024-2873

CRITICALNVD 9.19.1—

9.1

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 v3: 9.1
EG Score: 9.1(medium)
EPSS: 57.7%
KEV: Not listed

Published

March 25, 2024

Last Modified

December 5, 2025

References (6)

facts@wolfsslhttps://github.com/wolfSSL/wolfssh/pull/670
facts@wolfsslhttps://github.com/wolfSSL/wolfssh/pull/671
facts@wolfsslhttps://www.wolfssl.com/docs/security-vulnerabilities/
af854a3a-2127-422b-91ae-364da2661108https://github.com/wolfSSL/wolfssh/pull/670
af854a3a-2127-422b-91ae-364da2661108https://github.com/wolfSSL/wolfssh/pull/671
af854a3a-2127-422b-91ae-364da2661108https://www.wolfssl.com/docs/security-vulnerabilities/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2024-2873?

CVE-2024-2873 is a critical vulnerability published on March 25, 2024. 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.

When was CVE-2024-2873 disclosed?

CVE-2024-2873 was first published in the National Vulnerability Database on March 25, 2024, with the most recent update on December 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-2873 actively exploited?

CVE-2024-2873 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-2873?

CVE-2024-2873 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2024-2873?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-2873, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2024-2873

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-2873?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

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