CVE-2024-23771

CRITICAL
Published Jan 22, 2024 Modified May 30, 2025 CWE-203

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 v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-203 CWE-203

Affected Products

Vendor Product
unix4lyfe darkhttpd

References

Frequently Asked Questions

What is CVE-2024-23771? +
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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2024-23771? +
CVE-2024-23771 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2024-23771? +
CVE-2024-23771 affects products from unix4lyfe, specifically: darkhttpd. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-23771? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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