CVE-2022-35236
HIGHCVSS 7.5/10EPSS 0.67%
Last modified
CVE-2022-35236 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In BIG-IP Versions 16.1.x before 16.1.2.2, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when an HTTP2 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.
Description
In BIG-IP Versions 16.1.x before 16.1.2.2, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when an HTTP2 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. 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:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Access Policy Manager | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Access Policy Manager | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Analytics | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Analytics | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Analytics | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Application Security Manager | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Application Security Manager | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Domain Name System | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Domain Name System | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Domain Name System | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Fraud Protection Service | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Fraud Protection Service | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Fraud Protection Service | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Global Traffic Manager | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Global Traffic Manager | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Global Traffic Manager | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Link Controller | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Link Controller | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Link Controller | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Local Traffic Manager | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Local Traffic Manager | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Local Traffic Manager | >= 16.1.0, < 16.1.2.2 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.1.0, < 14.1.5 |
| F5 | Big-Ip Policy Enforcement Manager | >= 15.1.0, < 15.1.6.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 16.1.0, < 16.1.2.2 |
References
- https://support.f5.com/csp/article/K79933541Vendor Advisory
- https://support.f5.com/csp/article/K79933541Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-35236?
In BIG-IP Versions 16.1.x before 16.1.2.2, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when an HTTP2 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2022-35236?
CVE-2022-35236 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2022-35236?
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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