Vulnerability Name:

CVE-2021-23031 (CCN-208081)

Assigned:2021-08-24
Published:2021-08-24
Updated:2021-09-30
Summary:On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS v3 Severity:9.9 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
8.6 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-78
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-23031

Source: XF
Type: UNKNOWN
f5-cve202123031-priv-esc(208081)

Source: CCN
Type: F5 Security Advisory K41351250
BIG-IP Advanced WAF and BIG-IP ASM vulnerability CVE-2021-23031

Source: MISC
Type: Mitigation, Vendor Advisory
https://support.f5.com/csp/article/K41351250

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.5.2)
  • OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.5)
  • OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.3)
  • OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 14.1.0 and <= 14.1.4)
  • OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 15.1.0 and <= 15.1.2)
  • OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 16.0.0 and <= 16.0.1.1)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.5.2)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.5)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.3)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and <= 14.1.4)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and <= 15.1.2)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and <= 16.0.1.1)

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip:14.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:13.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:13.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:12.1.5:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:11.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.6.1:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:15.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.6.1:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:11.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:12.1.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:13.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:13.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:14.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:15.1.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip advanced web application firewall *
    f5 big-ip advanced web application firewall *
    f5 big-ip advanced web application firewall *
    f5 big-ip advanced web application firewall *
    f5 big-ip advanced web application firewall *
    f5 big-ip advanced web application firewall *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip 14.1.0
    f5 big-ip 13.1.0
    f5 big-ip 13.1.3
    f5 big-ip 12.1.0
    f5 big-ip 12.1.5
    f5 big-ip 11.6.5
    f5 big-ip 11.6.1
    f5 big-ip 15.1.0
    f5 big-ip 11.6.1
    f5 big-ip 11.6.5
    f5 big-ip 12.1.0
    f5 big-ip 12.1.5
    f5 big-ip 13.1.0
    f5 big-ip 13.1.3
    f5 big-ip 14.1.0
    f5 big-ip 15.1.0