Vulnerability Details : CVE-2011-5021
PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-5021
Probability of exploitation activity in the next 30 days: 0.59%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-5021
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2011-5021
-
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-5021
Products affected by CVE-2011-5021
- cpe:2.3:a:phpids:phpids:*:*:*:*:*:*:*:*
- cpe:2.3:a:phpids:phpids:0.6.4:*:*:*:*:*:*:*