Owasp Modsecurity Core Rule Set vulnerabilitiesRanked by how likely they are to be used.

Product16 versions
The short answer

Owasp Modsecurity Core Rule Set is made by Owasp. We track 8 published vulnerabilities in it, across 16 versions. None of them is on the list of flaws known to be exploited today. If you run Owasp Modsecurity Core Rule Set, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Owasp Modsecurity Core Rule Set vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Owasp Modsecurity Core Rule Set's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Owasp Modsecurity Core Rule Set flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 2.7%

    OWASP ModSecurity Core Rule Set 3.1.x before 3.1.2, 3.2.x before 3.2.1, and 3.3.x before 3.3.2 is affected by a Request Body Bypass via a trailing pathname.

    CVSS9.8Published5 Nov 2021
  2. 1.7%

    A SQL injection bypass (aka PL1 bypass) exists in OWASP ModSecurity Core Rule Set (owasp-modsecurity-crs) through v3.1.0-rc3 via {`a`b} where a is a special function name (such as "if") and b is the SQL statement to...

    CVSS7.5Published3 Sep 2018
  3. 1.6%

    The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls.

    CVSS6.8Published2 Apr 2026
  4. 1.4%

    The OWASP ModSecurity Core Rule Set (CRS) is affected by a partial rule set bypass by submitting a specially crafted HTTP Content-Type header field that indicates multiple character encoding schemes.

    CVSS7.3Published20 Sep 2022
  5. 1.3%

    Modsecurity owasp-modsecurity-crs 3.2.0 (Paranoia level at PL1) has a SQL injection bypass vulnerability.

    CVSS9.8Published2 Sep 2022
  6. 1.2%

    The OWASP ModSecurity Core Rule Set (CRS) is affected by a response body bypass to sequentially exfiltrate small and undetectable sections of data by repeatedly submitting an HTTP Range header field with a small byte...

    CVSS7.5Published20 Sep 2022
  7. 1.2%

    The OWASP ModSecurity Core Rule Set (CRS) is affected by a partial rule set bypass for HTTP multipart requests by submitting a payload that uses a character encoding scheme via the Content-Type or the deprecated...

    CVSS7.3Published20 Sep 2022
  8. 1.0%

    The OWASP ModSecurity Core Rule Set (CRS) is affected by a response body bypass.

    CVSS7.3Published20 Sep 2022
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FAQ

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We track 8 published vulnerabilities listed under the name Owasp Modsecurity Core Rule Set, across 16 versions.

None of Owasp Modsecurity Core Rule Set's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Owasp Modsecurity Core Rule Set. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.