The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an invalid part precedes the crafted data
Published Dec 28, 2012
5.0
MEDIUMCVSS 2.0
EPSS 12.51%
Description
The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an invalid part precedes the crafted data.
Affected products
No data.
Configuration 1
- < 2.7.0
Configuration 2
Configuration 3
- 18
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 12.51% (0.12507) | 96.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.51% (0.12507) | 95.70th | v5 (v2026.06.15) |
| Dec 14, 2025 | 11.46% (0.11456) | 93.34th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.67% (0.13668) | 93.64th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.47% (0.19472) | 92.46th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.67% (0.13668) | 93.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.40% (0.01404) | 86.99th | v3 (v2023.03.01) |
| Mar 23, 2024 | 1.27% (0.01269) | 85.37th | v3 (v2023.03.01) |
| Jul 16, 2023 | 1.02% (0.01023) | 81.81th | v3 (v2023.03.01) |
| May 23, 2023 | 0.76% (0.00758) | 78.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.72% (0.00723) | 77.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.34% (0.11341) | 95.02th | v2 (v2022.01.01) |
| Dec 11, 2022 | 11.34% (0.11341) | 94.91th | v2 (v2022.01.01) |
| Sep 8, 2022 | 11.92% (0.11920) | 94.96th | v2 (v2022.01.01) |
| Jun 1, 2022 | 12.72% (0.12715) | 95.26th | v2 (v2022.01.01) |
| Apr 1, 2022 | 13.75% (0.13751) | 95.42th | v2 (v2022.01.01) |
| Feb 4, 2022 | 13.75% (0.13751) | 90.84th | v2 (v2022.01.01) |
No CWE recorded.
References (10)
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093011.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.7.x/CHANGES x_refsource_CONFIRMBroken Link
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/trunk/apache2/msc_multipart.c?sortby=date&r1=2081&r2=2080&pathrev=2081 x_refsource_CONFIRMBroken Link
- http://mod-security.svn.sourceforge.net/viewvc/mod-security?view=revision&sortby=date&revision=2081 x_refsource_CONFIRMBroken Link
- http://seclists.org/fulldisclosure/2012/Oct/113 mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/10/18/14 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20121017-0_mod_security_ruleset_bypass.txt x_refsource_MISCThird Party Advisory
Change history (0)
No recorded changes yet.