CVE-2021-35368

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

published November 5, 2021

CVSS
—
EPSS
3%
Percentile
86.0
In the wild
Unconfirmed
What it is

⚠️ A sneaky little trailing pathname might just let attackers slip through unnoticed! This Request Body Bypass affects multiple versions of OWASP ModSecurity Core Rule Set. 🔥 Think of it like a delivery person who wishes to enter a secure office building but finds an unguarded side door — all they need is a wrong package to bypass security and stroll right in! If exploited, this vulnerability could allow unauthorized access to sensitive data or lead to malicious content being served without detection. While it’s not currently known to be exploited, the potential for abuse is there, and you definitely don’t want to take chances!

Put simply

Think of it like a delivery person who wishes to enter a secure office building but finds an unguarded side door — all they need is a wrong package to bypass security and stroll right in! This vulnerability allows attackers to bypass security measures by exploiting a trailing pathname in the request body, affecting versions prior to 3.1.2, 3.2.1, and 3.3.2 of the ModSecurity Rule Set.

What to do

If exploited, this vulnerability could allow unauthorized access to sensitive data or lead to malicious content being served without detection. While it’s not currently known to be exploited, the potential for abuse is there, and you definitely don’t want to take chances! To safeguard your systems, upgrade to OWASP ModSecurity Core Rule Set version 3.1.2, 3.2.1, or 3.3.2 immediately. Ensure that your configuration is regularly reviewed to mitigate similar vulnerabilities in the future. You’ve got this! With a quick upgrade, you’ll ensure your defenses are fortress-like and ready to tackle any challenge! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02733 · 86.0th percentile
Published
2021-11-05T00:00Z
EPSS history
Timeline
  • 05 NOV 00:00Z
    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
    cvelistv5