What is CVE-2002-1496?

CVE-2002-1496 is a vulnerability in Nulllogic Null Httpd. Published 2003-04-02.

Is CVE-2002-1496 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Nulllogic Null Httpd

CVE-2002-1496

Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.

Published 2003-04-02 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.225 (97.6th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.225 · newest: 0.225 · change: 0.000

Affected products

Nulllogic Null Httpd

Public proof-of-concept exploits

References

www.iss.net/security_center/static/10160.php (Patch, vdb-entry, Vendor Advisory)
www.securityfocus.com/bid/5774 (Exploit, Patch, vdb-entry, Vendor Advisory)
archives.neohapsis.com/archives/bugtraq/2002-09/0284.html (mailing-list)
freshmeat.net/releases/97910/

Frequently asked questions

What is CVE-2002-1496?: CVE-2002-1496 is a vulnerability in Nulllogic Null Httpd. Published 2003-04-02.
Is CVE-2002-1496 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.