Vulnerability Name:

CVE-2021-23016 (CCN-200926)

Assigned:2021-04-28
Published:2021-04-28
Updated:2021-05-24
Summary:On BIG-IP APM versions 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, and all versions of 16.0.x, 12.1.x, and 11.6.x, an attacker may be able to bypass APM's internal restrictions and retrieve static content that is hosted within APM by sending specifically crafted requests to an APM Virtual Server.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-23016

Source: XF
Type: UNKNOWN
f5-cve202123016-info-disc(200926)

Source: CCN
Type: F5 Security Advisory K75540265
BIG-IP APM ACL Bypass Vulnerability CVE-2021-23016

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K75540265

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.5)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.6)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.4)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4.1)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.3)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and <= 16.0.1)

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:14.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:13.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:11.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:11.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:15.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:16.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:15.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:16.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:14.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:13.1.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager 12.1.0
    f5 big-ip access policy manager 14.1.0
    f5 big-ip access policy manager 13.1.0
    f5 big-ip access policy manager 11.6.5
    f5 big-ip access policy manager 11.6.1
    f5 big-ip access policy manager 15.1.0
    f5 big-ip access policy manager 16.0.0
    f5 big-ip access policy manager 15.1.2
    f5 big-ip access policy manager 16.0.1
    f5 big-ip access policy manager 14.1.4
    f5 big-ip access policy manager 13.1.3