CVE-2021-20866
Advanced Custom Fields <= 5.10 - Missing Authorization to Information Disclosure
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Advanced Custom Fields versiones anteriores a 5.11 y Advanced Custom Fields Pro anteriores a 5.11, contienen una vulnerabilidad de falta de autorización en la obtención de la lista de usuarios que puede permitir a un usuario obtener la información no autorizada por medio de vectores no especificados
*Credits:
Keitaro Yamazaki
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2021-12-02 CVE Published
- 2023-10-30 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-862: Missing Authorization
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://jvn.jp/en/jp/JVN09136401/index.html | Third Party Advisory | |
| https://wordpress.org/plugins/advanced-custom-fields | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.advancedcustomfields.com | 2021-12-15 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Advancedcustomfields Search vendor "Advancedcustomfields" | Advanced Custom Fields Search vendor "Advancedcustomfields" for product "Advanced Custom Fields" | < 5.11 Search vendor "Advancedcustomfields" for product "Advanced Custom Fields" and version " < 5.11" | wordpress |
Affected
| ||||||
| Advancedcustomfields Search vendor "Advancedcustomfields" | Advanced Custom Fields Search vendor "Advancedcustomfields" for product "Advanced Custom Fields" | < 5.11 Search vendor "Advancedcustomfields" for product "Advanced Custom Fields" and version " < 5.11" | pro, wordpress |
Affected
| ||||||