Vulnerability Details : CVE-2021-20866

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.
Published 2021-12-13 07:15:07
Updated 2021-12-15 18:14:27
Source JPCERT/CC
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-20866

Probability of exploitation activity in the next 30 days: 0.10%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 42 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-20866

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
4.0
 MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
 nvd@nist.gov
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.8
3.6
 nvd@nist.gov

CWE ids for CVE-2021-20866

  • The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-20866

Products affected by CVE-2021-20866

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