// For flags

CVE-2022-25881

http-cache-semantics < 4.1.1 - Regular Expression Denial of Service (ReDoS)

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

This affects versions of the package http-cache-semantics before 4.1.1. The issue can be exploited via malicious request header values sent to a server, when that server reads the cache policy from the request using this library.

Esto afecta a las versiones del paquete http-cache-semantics anteriores a la 4.1.1. El problema se puede explotar mediante valores de encabezado de solicitud maliciosos enviados a un servidor, cuando ese servidor lee la política de caché de la solicitud utilizando esta librería.

A flaw was found in http-cache-semantics. When the server reads the cache policy from the request using this library, a Regular Expression Denial of Service occurs, caused by malicious request header values sent to the server.

The package http-cache-semantics is vulnerable to Regular Expression Denial of Service (ReDoS) in versions before 4.1.1 via the cache-control HTTP header. WordPress plugins and themes may be using this package, however, they may not be vulnerable to exploitation.

*Credits: Carter Snook
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-02-24 CVE Reserved
  • 2023-01-31 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-09-21 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-1333: Inefficient Regular Expression Complexity
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Http-cache-semantics Project
Search vendor "Http-cache-semantics Project"
 Http-cache-semantics
Search vendor "Http-cache-semantics Project" for product "Http-cache-semantics"
 < 4.1.1
Search vendor "Http-cache-semantics Project" for product "Http-cache-semantics" and version " < 4.1.1"
node.js
Affected