Vulnerability in Apache HTTP Server
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.174 (97.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.174 · newest: 0.174 · change: 0.000
Affected products
- Apache HTTP Server — versions 2.0.39, 2.0.40
Weakness classification (CWE)
References
- securitytracker.com/id (Patch, VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- seclists.org/bugtraq/2002/Sep/0253.html (mailing-list, Exploit, Mailing List, Third Party Advisory)
- cvs.apache.org/viewcvs.cgi/httpd-2.0/modules/generators/mod_cgi.c (Broken Link)
- www.securityfocus.com/bid/8725 (Patch, VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- issues.apache.org/bugzilla/show_bug.cgi (Issue Tracking)
- www.iss.net/security_center/static/10200.php (Patch, vdb-entry, Broken Link)
- www.securityfocus.com/bid/5787 (Exploit, VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- marc.info/ (mailing-list, Mailing List)
- issues.apache.org/bugzilla/show_bug.cgi (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2002-1850?
- CVE-2002-1850 is a high-severity vulnerability in Apache HTTP Server, classified under Improper Locking. CVSS score: 7.5/10. Published 2002-12-31.
- How severe is CVE-2002-1850?
- High severity. CVSS v3 base score is 7.5 out of 10.