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HIGH · 7.5

CVE-2020-5933

On versions 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, when a BIG-IP system that has a virtual server configured with an HTTP compression profile processe...

Vulnerability Description

On versions 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, when a BIG-IP system that has a virtual server configured with an HTTP compression profile processes compressed HTTP message payloads that require deflation, a Slowloris-style attack can trigger an out-of-memory condition on the BIG-IP system.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Advanced Firewall Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Analytics>= 11.6.1, < 11.6.5.2
F5Big-Ip Application Acceleration Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Application Security Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Domain Name System>= 11.6.1, < 11.6.5.2
F5Big-Ip Fraud Protection Service>= 11.6.1, < 11.6.5.2
F5Big-Ip Global Traffic Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Link Controller>= 11.6.1, < 11.6.5.2
F5Big-Ip Local Traffic Manager>= 11.5.2, < 11.6.5.2
F5Big-Ip Policy Enforcement Manager>= 11.6.1, < 11.6.5.2

References

FAQ

What is CVE-2020-5933?

CVE-2020-5933 is a vulnerability with a CVSS score of 7.5 (HIGH). On versions 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, when a BIG-IP system that has a virtual server configured with an HTTP compression profile processe...

How severe is CVE-2020-5933?

CVE-2020-5933 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-5933?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager.