Detections
Analytics
F5 Networks BIG-IP : BIG-IP Advanced WAF and ASM REST API vulnerability (K23203045)
high Nessus Plugin ID 149081
Language:
Synopsis
The remote device is missing a vendor-supplied security patch.Description
The version of F5 Networks BIG-IP installed on the remote host is prior to 14.1.4 / 15.1.3 / 16.0.1.1 / 16.1.0. It is, therefore, affected by a vulnerability as referenced in the K23203045 advisory.- On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. (CVE-2021-23014)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to one of the non-vulnerable versions listed in the F5 Solution K23203045.See Also
Plugin Details
Severity: High
ID: 149081
File Name: f5_bigip_SOL23203045.nasl
Version: 1.7
Type: local
Published: 4/29/2021
Updated: 11/3/2023
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 4.8
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS Score Source: CVE-2021-23014
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:f5:big-ip_application_security_manager, cpe:/h:f5:big-ip
Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version
Exploit Ease: No known exploits are available
Patch Publication Date: 4/28/2021
Vulnerability Publication Date: 3/31/2021
Reference Information
CVE: CVE-2021-23014
IAVA: 2021-A-0155-S