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CVE-2024-2873

Wolfssh authentication bypass

9.1 CRITICALEPSS 0.62%
  1. Published25 Mar 2024

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Wolfssh< 1.4.17

Remediation

Fixed in
Wolfssh≥ 1.4.17

References

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Frequently asked

Is CVE-2024-2873 being actively exploited?

CVE-2024-2873 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.62%.

How severe is CVE-2024-2873?

CVE-2024-2873 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.62% probability of exploitation.

Which products are affected by CVE-2024-2873?

Affected products include Wolfssh.

How do I fix CVE-2024-2873?

Upgrade affected software to a fixed version, for example Wolfssh 1.4.17 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-2873 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.