CVE-2003-0789

CRITICAL

mod_cgid in Apache before 2.0.48, when using a threaded MPM, does not properly handle CGI redirect paths, which could cause Apache to send the output of a CGI program to the wrong client.

Affects 1 product across 1 vendor.

BCS7.85
CVSS 2.010.0
EPSS11.5%
Percentile96th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2003. A critical vulnerability affects Apache systems (CVE-2003-0789). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2003-GLOBAL-344791-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2003-0789?
This vulnerability was disclosed in 2003. A critical vulnerability affects Apache systems (CVE-2003-0789). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2003-0789?
CVE-2003-0789 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 11.5%.
Is CVE-2003-0789 actively exploited?
No confirmed active exploitation of CVE-2003-0789 as of 2026-05-30.
How do I remediate CVE-2003-0789?
Priority: MEDIUM. Advisory: http://apache.secsup.org/dist/httpd/Announcement2.html PSIRT: [email protected]
What systems are affected by CVE-2003-0789?
CVE-2003-0789 affects: Apache.
Vulnerability Details
CVE IDCVE-2003-0789
BSIDBS-2003-GLOBAL-344791-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2003-11-03
Last Modified2026-04-16
ICS Relevance0%
SourceNVD
Official Description

mod_cgid in Apache before 2.0.48, when using a threaded MPM, does not properly handle CGI redirect paths, which could cause Apache to send the output of a CGI program to the wrong client.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: mod_cgid in Apache before 2.0.48, when using a threaded MPM, does not properly handle CGI redirect paths, which could cause Apache to send the output of a CGI program to the wrong client. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Apache Http Server —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 8300 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashde38389bbfb1fe5395cfc5dd598eb301152c132d40bb029f946873323bc9fba9ef1a81ee64d6be7dfa6980c7e31b859eef963627f1dfce3b7f0e7e35ac1c4d2a
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