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CVE-2003-1171
Heap-based buffer overflow in the sec_filter_out function in mod_security 1.7RC1 through 1.7.1 in Apache 2 allows remote attackers to…
- 7.5HighCVSS base score
- 4.6%Exploitation in 30 daysEPSS · top 8.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Heap-based buffer overflow in the sec_filter_out function in mod_security 1.7RC1 through 1.7.1 in Apache 2 allows remote attackers to execute arbitrary code via a server side script that sends a large amount of data.
Timeline
ID reserved
By mitre
- 6 days later
· 6 days later
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.2% of all CVEs (9 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.
Affected products
n/a
- affected n/a
References
7
- 8919 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20031028 mod_security 1.7RC1 to 1.7.1 vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- mod-security-secfilterout-bo(13543) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 10085 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://adsystems.com.pl/adg-mod_security171.txt (opens in a new tab)x_refsource_MISCx_transferred
- 1008025 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.modsecurity.org/download/CHANGES (opens in a new tab)x_refsource_CONFIRMx_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)
- EUVD EUVD-2003-1161 (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2003-1171)Record last updated .