Vulnerability Name:

CVE-2020-5855 (CCN-175900)

Assigned:2020-02-05
Published:2020-02-05
Updated:2021-07-21
Summary:When the Windows Logon Integration feature is configured for all versions of BIG-IP Edge Client for Windows, unauthorized users who have physical access to an authorized user's machine can get shell access under unprivileged user.
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:W/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:W/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-863
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2020-5855

Source: XF
Type: UNKNOWN
f5-bigip-cve20205855-priv-esc(175900)

Source: CCN
Type: F5 Security Advisory K55102004
BIG-IP Edge Client for Windows

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K55102004

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.5.2 and <= 11.6.5)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.5)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.3)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and <= 14.1.2)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and <= 15.1.0)
  • OR cpe:/a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:* (Version >= 7.1.5 and <= 7.1.8)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:f5:big-ip:11.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:13.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.6.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:13.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:14.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.6.4:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:11.5.9:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:15.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:13.1.3:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:12.1.5:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:11.6.5:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:15.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:14.1.2:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:11.5.10:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:15.1.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager client *
    microsoft windows -
    f5 big-ip 11.6.1
    f5 big-ip 12.1.2
    f5 big-ip 12.1.0
    f5 big-ip 11.6.0
    f5 big-ip 11.6.2
    f5 big-ip 13.1.0
    f5 big-ip 11.5.5
    f5 big-ip 12.1.1
    f5 big-ip 11.6.3
    f5 big-ip 13.1.1
    f5 big-ip 14.1.0
    f5 big-ip 12.1.4
    f5 big-ip 11.5.4
    f5 big-ip 11.5.2
    f5 big-ip 11.6.4
    f5 big-ip 11.5.9
    f5 big-ip 15.0.0
    f5 big-ip 13.1.3
    f5 big-ip 12.1.5
    f5 big-ip 11.6.5
    f5 big-ip 15.0.1
    f5 big-ip 14.1.2
    f5 big-ip 11.5.10
    f5 big-ip 15.1.0