CVE-2002-0392
HighExploitedPublic exploitApache 1.3 through 1.3.24, and Apache 2.0 through 2.0.36, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a chunk-encoded HTTP request that causes Apache to use an incorrect size.
Published Jul 3, 2002 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2002-0392
Key Facts
Patch immediately- CVE-2002-0392 is a high-severity vulnerability (CVSS 7.5 v2) affecting HTTP Server (Apache), Debian Linux, apache2 (debian) and 1 more product.
- It is exploited in the wild, listed in Industry KEV feed since Jun 17, 2002. Public exploit code is available.
- EPSS estimates a 95% probability of exploitation in the next 30 days.
- Fixed versions are available, including HTTP Server 1.3.24, apache2 2.0.37, rootio-apache2 2.0.37.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
95%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Apache 1.3 through 1.3.24, and Apache 2.0 through 2.0.36, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a chunk-encoded HTTP request that causes Apache to use an incorrect size.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 17, 2002 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
15 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| HTTP ServerApache | See advisory | 1.3.24 |
| Debian LinuxDebian | 2.2 | n/a |
| apache2debian | See advisory | 2.0.37 |
| rootio-apache2rootio | See advisory | 2.0.37 |
Patched Releases
HTTP Server
1.3.24
apache2
2.0.37
rootio-apache2
2.0.37
Timeline
Added to Industry KEV feed
Jun 17, 2002
Publicly disclosed
Jul 3, 2002
Last updated
Aug 4, 2026
References
- advisoryhttp://httpd.apache.org/info/security_bulletin_20020617.txt
- advisoryHPSBTL0206-049
- advisoryHPSBUX0207-197
- advisory20020621 [SECURITY] Remote exploit for 32-bit Apache HTTP Server known
- advisoryRHSA-2002:103
FAQ
Common Questions.
Apache 1.3 through 1.3.24, and Apache 2.0 through 2.0.36, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a chunk-encoded HTTP request that causes Apache to use an incorrect size.
Affected: HTTP Server (Apache); Debian Linux versions 2.2; apache2 (debian), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 17, 2002.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including HTTP Server 1.3.24, apache2 2.0.37, rootio-apache2 2.0.37.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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