Vulnerability CVE-2020-5896

Vulnerability Name:

CVE-2020-5896 (CCN-181937)

Assigned:

2020-05-11

Published:

2020-05-11

Updated:

2020-05-14

Summary:

On versions 7.1.5-7.1.9, the BIG-IP Edge Client's Windows Installer Service's temporary folder has weak file and folder permissions.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/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): High Availibility (A): High

7.0 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

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

6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): High Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-276

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2020-5896

Source: XF
Type: UNKNOWN
f5-cve20205896-code-exec(181937)

Source: CCN
Type: F5 Security Advisory K15478554
BIG-IP Edge Client for Windows vulnerability CVE-2020-5896

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K15478554

Vulnerable Configuration:

Configuration 1:

cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.5.1)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.5.1)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.3.3)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and <= 14.1.2.5)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and <= 15.1.0.3)

OR cpe:/a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:* (Version >= 7.1.5 and <= 7.1.9)

Configuration CCN 1:

cpe:/a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:14.1.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:15.0.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:13.1.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:12.1.5:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:11.6.5:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:14.1.2:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:13.1.3:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip_access_policy_manager:11.6.1:*:*:*:*:*:*:*

Denotes that component is vulnerable

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