CVE-2021-23012
HIGHCVSS 8.2/10EPSS 0.27%
Last modified
CVE-2021-23012 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, and 13.1.x before 13.1.4, lack of input validation for items used in the system support functionality may allow users granted either "Resource Administrator" or "Administrator" roles to execute arbitrary bash commands on BIG-IP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, and 13.1.x before 13.1.4, lack of input validation for items used in the system support functionality may allow users granted either "Resource Administrator" or "Administrator" roles to execute arbitrary bash commands on BIG-IP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 16.0.0, < 16.0.1.1 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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, < 15.1.3 |
| 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 56 affected configurations. See NVD for the full list.
References
- https://support.f5.com/csp/article/K04234247Vendor Advisory
- https://support.f5.com/csp/article/K04234247Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23012?
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, and 13.1.x before 13.1.4, lack of input validation for items used in the system support functionality may allow users granted either "Resource Administrator" or "Administrator" roles to execute arbitrary bash commands on BIG-IP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2021-23012?
CVE-2021-23012 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23012?
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-2021-23012?
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