Detections
Analytics
F5 Networks BIG-IP : Web application firewall vulnerability (K44553214)
high Nessus Plugin ID 152814
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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 15.1.3.1 / 16.0.1.2 / 16.1.0. It is, therefore, affected by a vulnerability as referenced in the K44553214 advisory.- On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery (CSRF)-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to terminate. Note:
Software versions which have reached End of Technical Support (EoTS) are not evaluated. (CVE-2021-23050)
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 K44553214.See Also
Plugin Details
Severity: High
ID: 152814
File Name: f5_bigip_SOL44553214.nasl
Version: 1.8
Type: local
Published: 8/25/2021
Updated: 11/2/2023
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2021-23050
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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: 8/24/2021
Vulnerability Publication Date: 8/26/2021
Reference Information
CVE: CVE-2021-23050
IAVA: 2021-A-0394-S