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CVE-2024-23771

Unix4lyfe Darkhttpd authentication bypass

9.8 CRITICALEPSS 1.05%
  1. Published22 Jan 2024

Description

darkhttpd before 1.15 uses strcmp (which is not constant time) to verify authentication, which makes it easier for remote attackers to bypass authentication via a timing side channel.

CVSS 3.1 breakdown

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

Affected products

Unix4lyfe Darkhttpd< 1.15

Remediation

Fixed in
Unix4lyfe Darkhttpd≥ 1.15

References

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Frequently asked

Is CVE-2024-23771 being actively exploited?

CVE-2024-23771 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.05%.

How severe is CVE-2024-23771?

CVE-2024-23771 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.05% probability of exploitation.

Which products are affected by CVE-2024-23771?

Affected products include Unix4lyfe Darkhttpd.

How do I fix CVE-2024-23771?

Upgrade affected software to a fixed version, for example Unix4lyfe Darkhttpd 1.15 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-23771 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.