CVE-2020-27724
First published: Thu Dec 24 2020(Updated: )
In BIG-IP APM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, on systems running more than one TMM instance, authenticated VPN users may consume excessive resources by sending specially-crafted malicious traffic over the tunnel.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 Access Policy Manager | >=11.6.1<=11.6.5 | |
| F5 Access Policy Manager | >=12.1.0<=12.1.5 | |
| F5 Access Policy Manager | >=13.1.0<13.1.3.5 | |
| F5 Access Policy Manager | >=14.1.0<14.1.3.1 | |
| F5 Access Policy Manager | >=15.0.0<15.0.1.4 | |
| F5 Access Policy Manager | >=15.1.0<15.1.0.5 | |
| F5 Access Policy Manager | >=16.0.0<16.0.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-27724?
CVE-2020-27724 is rated as a high severity vulnerability due to the potential for authenticated VPN users to consume excessive system resources.
How do I fix CVE-2020-27724?
To fix CVE-2020-27724, upgrade your F5 BIG-IP Access Policy Manager to the versions that address the vulnerability, specifically versions after those listed in the affected software section.
What are the affected versions for CVE-2020-27724?
CVE-2020-27724 affects F5 BIG-IP APM versions ranging from 11.6.1 to 16.0.0, specifically noted versions up to 16.0.0.1.
Who is impacted by CVE-2020-27724?
CVE-2020-27724 primarily impacts organizations using F5 BIG-IP APM with multiple TMM instances, allowing authenticated users to exploit the vulnerability.
What type of attack is CVE-2020-27724 associated with?
CVE-2020-27724 is associated with a resource consumption attack, where specially-crafted malicious traffic can lead to denial of service conditions.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/severity
- agent/author
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 access policy manager
- version/f5 access policy manager/11.6.1
- version/f5 access policy manager/11.6.5
- version/f5 access policy manager/12.1.0
- version/f5 access policy manager/12.1.5
- version/f5 access policy manager/13.1.0
- version/f5 access policy manager/14.1.0
- version/f5 access policy manager/15.0.0
- version/f5 access policy manager/15.1.0
- version/f5 access policy manager/16.0.0