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High7.5F5

CVE-2021-23011: F5 BIG-IP: On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and

This F5 advisory covers CVE-2021-23011. Related products: BIG-IP.

Open the F5 advisory

Key facts

Vendor rating
High, CVSS 7.5
CISA KEV
Not listed (catalogue checked )
Versions named
16.0.x; 15.1.x; 14.1.x and 3 more below
Fixed in
16.0.1.1, 15.1.3, 14.1.4 and 3 more below
Source published
Source revised
Listed by VulniPulse
Record changed

Compiled by VulniPulse from the linked sources. How records are collected and checked.

Related products & platforms

F5BIG-IP

Description

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, when the BIG-IP system is buffering packet fragments for reassembly, the Traffic Management Microkernel (TMM) may consume an excessive amount of resources, eventually leading to a restart and failover event.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Text from the source record.

Versions named by the source
  • 16.0.x
  • 15.1.x
  • 14.1.x
  • 13.1.x
  • 12.1.x
  • 11.6.x

Official advisory · high-confidence parse· fetched ·verify at source

How to fix CVE-2021-23011

Upgrade to a fixed release named by F5:

  • 16.0.1.1
  • 15.1.3
  • 14.1.4
  • 13.1.4
  • 12.1.6
  • 11.6.5.3

Support dates for the fixed release lines

All end-of-life dates for F5 BIG-IP

F5 advisories, May 2021All F5 advisories

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