CVE-2021-22975
First published: Fri Feb 12 2021(Updated: )
On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 BIG-IP Access Policy Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Access Policy Manager | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Access Policy Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Advanced Web Application Firewall | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Advanced Web Application Firewall | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Advanced Web Application Firewall | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Analytics | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Analytics | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Analytics | >=16.0.0<16.0.1.1 | |
| f5 big-ip application acceleration manager | >=14.1.0<14.1.3.1 | |
| f5 big-ip application acceleration manager | >=15.1.0<15.1.2.1 | |
| f5 big-ip application acceleration manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Application Security Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Application Security Manager | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Application Security Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP DDoS Hybrid Defender | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP DDoS Hybrid Defender | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP DDoS Hybrid Defender | >=16.0.0<16.0.1.1 | |
| f5 big-ip domain name system | >=14.1.0<14.1.3.1 | |
| f5 big-ip domain name system | >=15.1.0<15.1.2.1 | |
| f5 big-ip domain name system | >=16.0.0<16.0.1.1 | |
| f5 big-ip fraud protection service | >=14.1.0<14.1.3.1 | |
| f5 big-ip fraud protection service | >=15.1.0<15.1.2.1 | |
| f5 big-ip fraud protection service | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Global Traffic Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Global Traffic Manager | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Global Traffic Manager | >=16.0.0<16.0.1.1 | |
| f5 big-ip link controller | >=14.1.0<14.1.3.1 | |
| f5 big-ip link controller | >=15.1.0<15.1.2.1 | |
| f5 big-ip link controller | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Local Traffic Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Local Traffic Manager | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Local Traffic Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP SSL Orchestrator | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP SSL Orchestrator | >=15.1.0<15.1.2.1 | |
| F5 BIG-IP SSL Orchestrator | >=16.0.0<16.0.1.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-22975?
The severity of CVE-2021-22975 is classified as high due to potential system downtime during large bursts of traffic.
How do I fix CVE-2021-22975?
To fix CVE-2021-22975, you should upgrade to the latest software versions, which are 16.0.1.1, 15.1.2.1, or 14.1.3.1, or later.
Which systems are affected by CVE-2021-22975?
CVE-2021-22975 affects F5 BIG-IP systems running versions prior to 16.0.1.1, 15.1.2.1, and 14.1.3.1.
What symptoms indicate a vulnerability from CVE-2021-22975?
Symptoms of a vulnerability from CVE-2021-22975 may include sudden Traffic Management Microkernel (TMM) restarts during high traffic loads.
Is there a workaround for CVE-2021-22975?
There are no specific workarounds for CVE-2021-22975; upgrading to secure versions is strongly recommended.
- agent/description
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 big-ip access policy manager
- version/f5 big-ip access policy manager/14.1.0
- version/f5 big-ip access policy manager/15.1.0
- version/f5 big-ip access policy manager/16.0.0
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/14.1.0
- version/f5 big-ip advanced firewall manager/15.1.0
- version/f5 big-ip advanced firewall manager/16.0.0
- canonical/f5 big-ip advanced web application firewall
- version/f5 big-ip advanced web application firewall/14.1.0
- version/f5 big-ip advanced web application firewall/15.1.0
- version/f5 big-ip advanced web application firewall/16.0.0
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/14.1.0
- version/f5 big-ip analytics/15.1.0
- version/f5 big-ip analytics/16.0.0
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/14.1.0
- version/f5 big-ip application acceleration manager/15.1.0
- version/f5 big-ip application acceleration manager/16.0.0
- canonical/f5 big-ip application security manager
- version/f5 big-ip application security manager/14.1.0
- version/f5 big-ip application security manager/15.1.0
- version/f5 big-ip application security manager/16.0.0
- canonical/f5 big-ip ddos hybrid defender
- version/f5 big-ip ddos hybrid defender/14.1.0
- version/f5 big-ip ddos hybrid defender/15.1.0
- version/f5 big-ip ddos hybrid defender/16.0.0
- canonical/f5 big-ip domain name system
- version/f5 big-ip domain name system/14.1.0
- version/f5 big-ip domain name system/15.1.0
- version/f5 big-ip domain name system/16.0.0
- canonical/f5 big-ip fraud protection service
- version/f5 big-ip fraud protection service/14.1.0
- version/f5 big-ip fraud protection service/15.1.0
- version/f5 big-ip fraud protection service/16.0.0
- canonical/f5 big-ip global traffic manager
- version/f5 big-ip global traffic manager/14.1.0
- version/f5 big-ip global traffic manager/15.1.0
- version/f5 big-ip global traffic manager/16.0.0
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/14.1.0
- version/f5 big-ip link controller/15.1.0
- version/f5 big-ip link controller/16.0.0
- canonical/f5 big-ip local traffic manager
- version/f5 big-ip local traffic manager/14.1.0
- version/f5 big-ip local traffic manager/15.1.0
- version/f5 big-ip local traffic manager/16.0.0
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/14.1.0
- version/f5 big-ip policy enforcement manager/15.1.0
- version/f5 big-ip policy enforcement manager/16.0.0
- canonical/f5 big-ip ssl orchestrator
- version/f5 big-ip ssl orchestrator/14.1.0
- version/f5 big-ip ssl orchestrator/15.1.0
- version/f5 big-ip ssl orchestrator/16.0.0