CVE-2012-4528

CVE-2012-4528 is a medium-severity vulnerability in Trustwave Modsecurity with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

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.

Frequently asked questions

What is CVE-2012-4528?
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.
How severe is CVE-2012-4528?
CVE-2012-4528 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-4528 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4528?
CVE-2012-4528 primarily affects Trustwave Modsecurity. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4528?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4528 published?
CVE-2012-4528 was published on 2012-12-28 and last updated on 2026-06-16.

References

Affected products (5)

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