Vulnerability Name:

CVE-2021-23005 (CCN-199207)

Assigned:2021-03-10
Published:2021-03-10
Updated:2021-04-06
Summary:On all 7.x and 6.x versions (fixed in 8.0.0), when using a Quorum device for BIG-IQ high availability (HA) for automatic failover, BIG-IQ does not make use of Transport Layer Security (TLS) with the Corosync protocol.
Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
6.1 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-23005

Source: XF
Type: UNKNOWN
f5-cve202123005-sec-bypass(199207)

Source: CCN
Type: F5 Security Advisory K01243064
BIG-IQ HA vulnerability CVE-2021-23005

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K01243064

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:* (Version >= 6.0.0 and < 8.0.0)

  • Configuration CCN 1:
  • cpe:/a:f5:big-iq_centralized_management:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-iq_centralized_management:6.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-iq_centralized_management:7.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-iq_centralized_management:7.1.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    f5 big-iq centralized management *
    f5 big-iq centralized management 6.0.0
    f5 big-iq centralized management 6.1.0
    f5 big-iq centralized management 7.0.0
    f5 big-iq centralized management 7.1.0