Race condition in iControl REST component in F5 BIG-IP
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-22974 |
| CWE-ID | CWE-362 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
BIG-IP Hardware solutions / Firmware BIG-IP DDHD Hardware solutions / Firmware BIG-IP SSLO Hardware solutions / Firmware BIG-IP LTM Hardware solutions / Security hardware applicances BIG-IP AFM Hardware solutions / Security hardware applicances BIG-IP Analytics Hardware solutions / Security hardware applicances BIG-IP APM Hardware solutions / Security hardware applicances BIG-IP ASM Hardware solutions / Security hardware applicances BIG-IP FPS Hardware solutions / Security hardware applicances BIG-IP GTM Hardware solutions / Security hardware applicances BIG-IP PEM Hardware solutions / Security hardware applicances BIG-IP AAM Hardware solutions / Routers & switches, VoIP, GSM, etc BIG-IP DNS Hardware solutions / Routers & switches, VoIP, GSM, etc BIG-IP Link Controller Hardware solutions / Routers & switches, VoIP, GSM, etc BIG-IP Advanced WAF Client/Desktop applications / Antivirus software/Personal firewalls |
| Vendor | F5 Networks |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Race condition
EUVDB-ID: #VU50615
Risk: Medium
CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-22974
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to incomplete fix for a race condition vulnerability in iControl REST API #VU9746. A remote user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsBIG-IP: 13.1.0 - 16.0.1
BIG-IP LTM: 13.1.0 - 16.0.1
BIG-IP AAM: 13.1.0 - 16.0.1
BIG-IP Advanced WAF: 13.1.0 - 16.0.1
BIG-IP AFM: 13.1.0 - 16.0.1
BIG-IP Analytics: 13.1.0 - 16.0.1
BIG-IP APM: 13.1.0 - 16.0.1
BIG-IP ASM: 13.1.0 - 16.0.1
BIG-IP DDHD: 13.1.0 - 16.0.1
BIG-IP DNS: 13.1.0 - 16.0.1
BIG-IP FPS: 13.1.0 - 16.0.1
BIG-IP GTM: 13.1.0 - 16.0.1
BIG-IP Link Controller: 13.1.0 - 16.0.1
BIG-IP PEM: 13.1.0 - 16.0.1
BIG-IP SSLO: 13.1.0 - 16.0.1
CPE2.3- cpe:2.3:h:f5_networks:big-ip:13.1.3.5:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:14.1.3:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:15.1.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:16.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_ltm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_ltm:13.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_ltm:13.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_aam:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_aam:13.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_aam:13.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:f5_networks:big-ip_advanced_waf:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_afm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_analytics:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_apm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_asm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_ddhd:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_dns:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_fps:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_gtm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_link_controller:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_pem:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_sslo:13.1.0:*:*:*:*:*:*:*
https://support.f5.com/csp/article/K68652018
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
