Executive Summary

Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and possibly execute arbitrary code.

Why It Matters

CVE-2001-1496 is rated CRITICAL severity, requiring immediate attention from security teams.

CVSS Base Score: 9.8/10

Affected Technologies

Vendors: acme

Products: thttpd

🛡️What Defenders Should Check

Check if you are affected — Review your asset inventory for products listed in CVE-2001-1496.

Apply available patches — Visit vendor advisories for the latest security updates.

Monitor for exploitation — Check your SIEM/IDS logs for related indicators.

Use Vulnios to continuously monitor your exposure to CVE-2001-1496 and similar vulnerabilities.

References & Sources

http://www.securityfocus.com/archive/1/241310

http://www.securityfocus.com/archive/1/241953

http://www.securityfocus.com/bid/3562

https://exchange.xforce.ibmcloud.com/vulnerabilities/7595

http://www.securityfocus.com/archive/1/241310

http://www.securityfocus.com/archive/1/241953

http://www.securityfocus.com/bid/3562

https://exchange.xforce.ibmcloud.com/vulnerabilities/7595

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Affected Products

thttpd

Sources

NVD / NIST

criticaldos

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Critical Vulnerability: CVE-2001-1496 — acme — thttpd