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CVE-2021-23036

HIGH
7.5
CVSS Score
Published: September 14, 2021 at 06:02 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
3 products affected across 1 vendorBig IP Application Security ManagerBig IP Advanced Web Application FirewallBig IP Datasafe

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

Description

On version 16.0.x before 16.0.1.2, when a BIG-IP ASM and DataSafe profile are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Advanced Web Application Firewall· F5
95%
16.0 ≤ v < 16.0.1.216.0.0 ≤ v ≤ 16.0.1
Affected range stops below 16.0.1.2, so it looks safe — our inference, not a vendor statement
Big IP Application Security Manager· F5
95%
16.0 ≤ v < 16.0.1.216.0.0 ≤ v ≤ 16.0.1
Affected range stops below 16.0.1.2, so it looks safe — our inference, not a vendor statement
Big IP Datasafe· F5
95%
16.0.0 ≤ v ≤ 16.0.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCMitigationVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K05043394

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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