Vulnerability Name:

CVE-2020-5879 (CCN-181299)

Assigned:2020-04-29
Published:2020-04-29
Updated:2021-07-21
Summary:On BIG-IP ASM 11.6.1-11.6.5.1, under certain configurations, the BIG-IP system sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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): High
Integrity (I): None
Availibility (A): None
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/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): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-311
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-5879

Source: XF
Type: UNKNOWN
f5-cve20205879-info-disc(181299)

Source: CCN
Type: F5 Security Advisory K88474783
BIG-IP DoS profile vulnerability CVE-2020-5879

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K88474783

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.5.1)

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip:11.6.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip application security manager *
    f5 big-ip 11.6.1