CVE-2001-1496
CRITICALCVSS 9.8/10EPSS 4.84%
Last modified
CVE-2001-1496 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.84% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Acme | Thttpd | >= 1.95, <= 2.20 |
References
- http://www.securityfocus.com/archive/1/241310Broken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/241953Broken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/3562Broken Link, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/7595Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/241310Broken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/241953Broken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/3562Broken Link, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/7595Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2001-1496?
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.
How severe is CVE-2001-1496?
CVE-2001-1496 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.84% probability of exploitation in the next 30 days.
How do I fix CVE-2001-1496?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2001-1496?
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Scan your code nowSource: NVD / NIST