CVE-2021-22985
Last modified
CVE-2021-22985 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On BIG-IP APM version 16.0.x before 16.0.1.1, under certain conditions, when processing VPN traffic with APM, TMM consumes excessive memory. A malicious, authenticated VPN user may abuse this to perform a DoS attack against the APM. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
Description
On BIG-IP APM version 16.0.x before 16.0.1.1, under certain conditions, when processing VPN traffic with APM, TMM consumes excessive memory. A malicious, authenticated VPN user may abuse this to perform a DoS attack against the APM. Note: Software versions which have reached End of Software Development (EoSD) 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 Application Security Manager | >= 11.6.1, < 11.6.5.2 |
| F5 | Big-Ip Application Security Manager | >= 12.1.0, < 12.1.5.3 |
| F5 | Big-Ip Application Security Manager | >= 13.1.0, < 13.1.3.6 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, < 14.1.2.8 |
| 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 |
References
- https://support.f5.com/csp/article/K88162221Vendor Advisory
- https://support.f5.com/csp/article/K88162221Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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