Vulnerability Name:

CVE-2020-27714 (CCN-193759)

Assigned:2020-12-16
Published:2020-12-16
Updated:2020-12-28
Summary:On the BIG-IP AFM version 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when a Protocol Inspection Profile is attached to a FastL4 virtual server with the protocol field configured to either Other or All Protocols, the TMM may experience a restart if the profile processes non-TCP traffic.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-27714

Source: XF
Type: UNKNOWN
f5-cve202027714-dos(193759)

Source: CCN
Type: F5 Security Advisory K60344652
BIG-IP AFM vulnerability CVE-2020-27714

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K60344652

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.3)
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.3.1)
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.1)

    • Configuration CCN 1:
  • cpe:/o:f5:big-ip:15.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:15.0.0:*:*:*:*:*:*:*
  • OR 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:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip 15.1.0
    f5 big-ip 15.0.0
    f5 big-ip 14.1.0
    f5 big-ip 13.1.0
    f5 big-ip 13.1.3