CVE-2012-2751

Modsecurity vulnerability

CVSS

4.3

EPSS

3.3%

EPSS pct

87th

Exploited

No known

ModSecurity before 2.6.6, when used with PHP, does not properly handle single quotes not at the beginning of a request parameter value in the Content-Disposition field of a request with a multipart/form-data Content-Type header, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-5031.

Affected vendor

Trustwave

Affected product

Modsecurity

CVSS vector

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

Published

2012-07-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to integrity.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2012-2751

Confirm whether Trustwave Modsecurity is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-2751.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-2751

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-2751 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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