Vulnerability Name:

CVE-2021-23020 (CCN-202429)

Assigned:2021-05-25
Published:2021-05-25
Updated:2021-06-11
Summary:The NAAS 3.x before 3.10.0 API keys were generated using an insecure pseudo-random string and hashing algorithm which could lead to predictable keys.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
3.6 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-330
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-23020

Source: XF
Type: UNKNOWN
f5-cve202123020-info-disc(202429)

Source: CCN
Type: F5 Security Advisory K45263486
NGINX Controller vulnerability CVE-2021-23020

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K45263486

Source: CCN
Type: IBM Security Bulletin 6473495 (Cloud Pak for Automation)
Multiple vulnerabilities in F5 NGINX Controller affect IBM Cloud Pak for Automation

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:nginx_controller:*:*:*:*:*:*:*:* (Version >= 3.0.0 and < 3.10.0)

    • Configuration CCN 1:
  • cpe:/a:f5:nginx_controller:3.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:nginx_controller:3.9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 nginx controller *
    f5 nginx controller 3.0.0
    f5 nginx controller 3.9.0