How severe is CVE-2024-2873?

CVE-2024-2873 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-2873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-2873?

CVE-2024-2873 affects Wolfssh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-2873?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-2873 have an EU (EUVD) identifier?

Yes. CVE-2024-2873 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27817.

When was CVE-2024-2873 published?

CVE-2024-2873 was published on 2024-03-25 and last updated on 2026-06-17.

CVE-2024-2873

CVE-2024-2873 is a critical-severity vulnerability in Wolfssh with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-27817
Weakness: CWE-287
Affected product: Wolfssh
Published: 2024-03-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-2873?: 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.
How severe is CVE-2024-2873?: CVE-2024-2873 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-2873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-2873?: CVE-2024-2873 affects Wolfssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-2873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-2873 have an EU (EUVD) identifier?: Yes. CVE-2024-2873 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27817.
When was CVE-2024-2873 published?: CVE-2024-2873 was published on 2024-03-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wolfssh:wolfssh:*:*:*:*:*:*:*:*

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