What is the severity of CVE-2021-22985?

CVE-2021-22985 is rated as a medium severity vulnerability due to its potential for causing DoS attacks.

How do I fix CVE-2021-22985?

To fix CVE-2021-22985, upgrade to BIG-IP APM version 16.0.1.1 or later.

Who is affected by CVE-2021-22985?

CVE-2021-22985 affects users on BIG-IP APM versions prior to 16.0.1.1 within specific version ranges.

What is the impact of CVE-2021-22985?

The impact of CVE-2021-22985 includes excessive memory consumption by TMM, potentially allowing a DoS attack.

Is there a workaround for CVE-2021-22985?

There is no official workaround for CVE-2021-22985; an upgrade to the patched version is required.

Vulnerability/
CVE-2021-22985

high

7.8

CWE

400

12/2/2021

24/2/2021

CVE-2021-22985

First published: Fri Feb 12 2021(Updated: )

On BIG-IP APM version 16.0.x before 16.0.1.1, under certain conditions, when processing VPN traffic with APM, TMM consumes excessive memory. A malicious, authenticated VPN user may abuse this to perform a DoS attack against the APM. 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 Application Security Manager	>=11.6.1<11.6.5.2
F5 Application Security Manager	>=12.1.0<12.1.5.3
F5 Application Security Manager	>=13.1.0<13.1.3.6
F5 Application Security Manager	>=14.1.0<14.1.2.8
F5 Application Security Manager	>=15.1.0<15.1.2
F5 Application Security Manager	>=16.0.0<16.0.1.1

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Reference Links

https://support.f5.com/csp/article/K88162221

Frequently Asked Questions

What is the severity of CVE-2021-22985?
CVE-2021-22985 is rated as a medium severity vulnerability due to its potential for causing DoS attacks.
How do I fix CVE-2021-22985?
To fix CVE-2021-22985, upgrade to BIG-IP APM version 16.0.1.1 or later.
Who is affected by CVE-2021-22985?
CVE-2021-22985 affects users on BIG-IP APM versions prior to 16.0.1.1 within specific version ranges.
What is the impact of CVE-2021-22985?
The impact of CVE-2021-22985 includes excessive memory consumption by TMM, potentially allowing a DoS attack.
Is there a workaround for CVE-2021-22985?
There is no official workaround for CVE-2021-22985; an upgrade to the patched version is required.

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agent/software-canonical-lookup-request
vendor/f5
canonical/f5 application security manager
version/f5 application security manager/11.6.1
version/f5 application security manager/12.1.0
version/f5 application security manager/13.1.0
version/f5 application security manager/14.1.0
version/f5 application security manager/15.1.0
version/f5 application security manager/16.0.0

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