CVE-2020-27715
First published: Thu Dec 24 2020(Updated: )
On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cause high (~100%) CPU utilization by the httpd daemon.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 Access Policy Manager | >=14.1.0<14.1.3.1 | |
| F5 Access Policy Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Analytics | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Analytics | >=15.0.0<15.1.1 | |
| F5 BIG-IP Application Acceleration Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Application Acceleration Manager | >=15.0.0<15.1.1 | |
| F5 Application Security Manager | >=14.1.0<14.1.3.1 | |
| F5 Application Security Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP | >=15.0.0<15.1.1 | |
| F5 BIG-IP Fraud Protection Service | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Fraud Protection Service | >=15.0.0<15.1.1 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.3.1 | |
| Riverbed SteelApp Traffic Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Link Controller | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Link Controller | >=15.0.0<15.1.1 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.3.1 | |
| Riverbed SteelApp Traffic Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=15.0.0<15.1.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-27715?
CVE-2020-27715 has a high severity rating due to its potential to cause a denial of service by consuming nearly 100% CPU utilization.
How do I fix CVE-2020-27715?
To fix CVE-2020-27715, apply the vendor-provided patches for affected versions of the BIG-IP software.
Which versions are affected by CVE-2020-27715?
CVE-2020-27715 affects F5 BIG-IP versions 15.1.0 to 15.1.0.5 and 14.1.0 to 14.1.3.
What type of attack does CVE-2020-27715 facilitate?
CVE-2020-27715 facilitates a denial of service (DoS) attack against the BIG-IP management interface.
Is CVE-2020-27715 exploitable remotely?
Yes, CVE-2020-27715 is remotely exploitable via crafted TLS requests to the management interface on port 443.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 access policy manager
- version/f5 access policy manager/14.1.0
- version/f5 access policy manager/15.0.0
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/14.1.0
- version/f5 big-ip advanced firewall manager/15.0.0
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/14.1.0
- version/f5 big-ip analytics/15.0.0
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/14.1.0
- version/f5 big-ip application acceleration manager/15.0.0
- canonical/f5 application security manager
- version/f5 application security manager/14.1.0
- version/f5 application security manager/15.0.0
- canonical/f5 big-ip
- version/f5 big-ip/14.1.0
- version/f5 big-ip/15.0.0
- canonical/f5 big-ip fraud protection service
- version/f5 big-ip fraud protection service/14.1.0
- version/f5 big-ip fraud protection service/15.0.0
- canonical/riverbed steelapp traffic manager
- version/riverbed steelapp traffic manager/14.1.0
- version/riverbed steelapp traffic manager/15.0.0
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/14.1.0
- version/f5 big-ip link controller/15.0.0
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/14.1.0
- version/f5 big-ip policy enforcement manager/15.0.0