Executive Summary

Informations
Name CVE-2021-20866 First vendor Publication 2021-12-13
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:N/A:N)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing authorization vulnerability in obtaining the user list which may allow a user to obtain the unauthorized information via unspecified vectors.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20866

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 4

Sources (Detail)

https://jvn.jp/en/jp/JVN09136401/index.html
https://wordpress.org/plugins/advanced-custom-fields/
https://www.advancedcustomfields.com/
Source Url

Alert History

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Date Informations
2025-06-12 01:39:15
  • Multiple Updates
2024-11-28 13:51:16
  • Multiple Updates
2022-04-08 01:53:55
  • Multiple Updates
2021-12-15 21:22:57
  • Multiple Updates
2021-12-14 01:49:29
  • Multiple Updates
2021-12-14 01:45:36
  • Multiple Updates
2021-12-13 17:22:56
  • Multiple Updates
2021-12-13 12:44:55
  • First insertion