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CVE-2004-1765

21
FAUCET Score

CVE-2004-1765 describes an off-by-one buffer overflow vulnerability in ModSecurity (mod_security) version 1.7.4 when running on Apache 2.x with SecFilterScanPost enabled. This critical flaw allows unauthenticated remote attackers to execute arbitrary code by sending specially crafted POST requests. With a CVSS score of 7.5, it represents a high-severity risk, enabling potential compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.7.4CPE matchmatch criteria
cpe:2.3:a:mod_security:mod_security:1.7.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.67%
Probability of exploitation in next 30 days
EPSS Percentile
90.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0467 is in the 84th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

marc.info
secunia.com / advisories/11138
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/15489
kb.cert.org / vuls/id/779438
Third Party AdvisoryUS Government Resource
modsecurity.org
securityfocus.com / bid/9885
Patch
s-quadra.com / advisories/Adv-20040315.txt