CVE-2021-23026
HIGHCVSS 8.8/10EPSS 0.47%
Last modified
CVE-2021-23026 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x and 11.6.x and all versions of BIG-IQ 8.x, 7.x, and 6.x are vulnerable to cross-site request forgery (CSRF) attacks through iControl SOAP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
Description
BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x and 11.6.x and all versions of BIG-IQ 8.x, 7.x, and 6.x are vulnerable to cross-site request forgery (CSRF) attacks through iControl SOAP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Access Policy Manager | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Access Policy Manager | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Access Policy Manager | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Advanced Firewall Manager | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Analytics | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Analytics | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Analytics | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Analytics | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Application Acceleration Manager | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Application Security Manager | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Application Security Manager | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Application Security Manager | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 16.0.0, <= 16.0.1 |
| F5 | Big-Ip Domain Name System | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Domain Name System | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Domain Name System | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Domain Name System | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Fraud Protection Service | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Fraud Protection Service | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Fraud Protection Service | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Fraud Protection Service | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Global Traffic Manager | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Global Traffic Manager | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Global Traffic Manager | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Global Traffic Manager | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Link Controller | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Link Controller | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Link Controller | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Link Controller | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Local Traffic Manager | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Local Traffic Manager | >= 14.1.0, <= 14.1.4 |
| F5 | Big-Ip Local Traffic Manager | >= 15.1.0, <= 15.1.2 |
| F5 | Big-Ip Local Traffic Manager | >= 16.0.0, <= 16.0.1.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 13.1.0, <= 13.1.4 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.1.0, <= 14.1.4 |
Showing 50 of 59 affected configurations. See NVD for the full list.
References
- https://support.f5.com/csp/article/K53854428Mitigation, Vendor Advisory
- https://support.f5.com/csp/article/K53854428Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23026?
BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x and 11.6.x and all versions of BIG-IQ 8.x, 7.x, and 6.x are vulnerable to cross-site request forgery (CSRF) attacks through iControl SOAP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2021-23026?
CVE-2021-23026 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23026?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-23026?
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