Executive Summary

Informations
Name CVE-2021-23518 First vendor Publication 2022-01-21
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The package cached-path-relative before 1.1.0 are vulnerable to Prototype Pollution via the cache variable that is set as {} instead of Object.create(null) in the cachedPathRelative function, which allows access to the parent prototype properties when the object is used to create the cached relative path. When using the origin path as __proto__, the attribute of the object is accessed instead of a path. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-72573

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23518

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 1

Sources (Detail)

https://github.com/ashaffer/cached-path-relative/commit/40c73bf70c58add5aec7d...
https://lists.debian.org/debian-lts-announce/2022/12/msg00006.html
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2348246
https://snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-2342653
Source Url

Alert History

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Date Informations
2024-11-28 13:53:22
  • Multiple Updates
2023-02-04 00:27:39
  • Multiple Updates
2022-12-05 09:27:26
  • Multiple Updates
2022-01-28 00:22:57
  • Multiple Updates
2022-01-22 09:22:54
  • Multiple Updates
2022-01-22 00:22:53
  • First insertion