Vulnerability Description
On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x and 11.6.x, when GPRS Tunneling Protocol (GTP) iRules commands or a GTP profile is configured on a virtual server, undisclosed GTP messages can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Analytics | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Application Security Manager | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Domain Name System | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Fraud Protection Service | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Global Traffic Manager | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Link Controller | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Local Traffic Manager | >= 11.6.1, <= 11.6.5 |
Related Weaknesses (CWE)
References
- https://support.f5.com/csp/article/K19012930Vendor Advisory
- https://support.f5.com/csp/article/K19012930Vendor Advisory
FAQ
What is CVE-2021-23048?
CVE-2021-23048 is a vulnerability with a CVSS score of 7.5 (HIGH). On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x and 11.6.x, when GPRS Tunneling Protocol (GTP) iRules comma...
How severe is CVE-2021-23048?
CVE-2021-23048 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-23048?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.