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jvnJapan Vulnerability NotesJVN:09136401
HistoryDec 02, 2021 - 12:00 a.m.

JVN#09136401: Multiple missing authorization vulnerabilities in WordPress Plugin "Advanced Custom Fields"

2021-12-0200:00:00
Japan Vulnerability Notes
jvn.jp
14

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.001 Low

EPSS

Percentile

46.3%

WordPress Plugin β€œAdvanced Custom Fields” provided by Delicious Brains contains multiple missing authorization vulnerabilities listed below.

Missing authorization related to database browsing (CWE-862) - CVE-2021-20865

Version Vector Score
CVSS v3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Base Score: 4.3
CVSS v2 AV:N/AC:L/Au:S/C:P/I:N/A:N Base Score: 4.0

Missing authorization related to user list obtaining (CWE-862) - CVE-2021-20866

Version Vector Score
CVSS v3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Base Score: 4.3
CVSS v2 AV:N/AC:L/Au:S/C:P/I:N/A:N Base Score: 4.0

Missing authorization related to field group movement (CWE-862) - CVE-2021-20867

Version Vector Score
CVSS v3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Base Score: 4.3
CVSS v2 AV:N/AC:L/Au:S/C:N/I:P/A:N Base Score: 4.0

Impact

A user with a lower level of authority than Editor role (such as Subscriber, Contributor, Author roles) may:

  • View the information on the database without the access permission - CVE-2021-20865
  • Obtain a list of information without the access permission - CVE-2021-20866
  • Move the field group without the usage permission - CVE-2021-20867

Solution

Update the plugin
Update the plugin according to the information provided by the developer.
The developer has released the versions listed below that address the vulnerabilities.

  • Advanced Custom Fields 5.11
  • Advanced Custom Fields Pro 5.11

Products Affected

  • Advanced Custom Fields versions prior to 5.11
  • Advanced Custom Fields Pro versions prior to 5.11

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.001 Low

EPSS

Percentile

46.3%

Related for JVN:09136401