What’s Vulnerable › Vulnerabilities

CVE-2001-1496

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-12-31 · updated 2026-06-16
• Weakness: CWE-193

Description

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.

Affected products

• thttpd: from 1.95 through 2.20

References

• 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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