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CVE-2002-1850
mod_cgi in Apache 2.0.39 and 2.0.40 allows local users and possibly remote attackers to cause a denial of service (hang and memory…
High7.5EPSS 17.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
mod_cgi in Apache 2.0.39 and 2.0.40 allows local users and possibly remote attackers to cause a denial of service (hang and memory consumption) by causing a CGI script to send a large amount of data to stderr, which results in a read/write deadlock between httpd and the CGI script.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 17.4% · top 2.9% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (9)
- 1007823 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20020923 Apache 2.0.(39|40) DOS (PHP!) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://cvs.apache.org/viewcvs.cgi/httpd-2.0/modules/generators/mod_cgi.c?r1=1.148.2.7&r2=1.148.2.8 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 8725 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://issues.apache.org/bugzilla/show_bug.cgi?id=10515 (opens in a new tab)x_refsource_MISCx_transferred
- apache-stderr-dos(10200) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 5787 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [apache-httpd-dev] 20020925 CGI bucket needed (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://issues.apache.org/bugzilla/show_bug.cgi?id=22030 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .