CVE-2020-5946

HIGH

7.5

CVSS Score

Published: November 5, 2020 at 07:26 PM UTC

Updated: June 17, 2026 at 03:22 AM UTC

2 products affected across 1 vendorBig IP Fraud Protection ServiceBig IP Advanced Web Application Firewall

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).

Affected

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

Big IP Advanced Web Application Firewall · F5

95%

14.1.0 ≤ v < 14.1.2.816.0.0 ≤ v < 16.0.115.1.0 < v < 15.1.114.1.0-14.1.2.7 15.1.0-15.1.0.5 16.0.0-16.0.0.1

Affected range stops below 14.1.2.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.0.1, so it looks safe — our inference, not a vendor statement

Big IP Fraud Protection Service · F5

95%

14.1.0 ≤ v < 14.1.2.815.1.0 ≤ v < 15.1.116.0.0 ≤ v < 16.0.114.1.0-14.1.2.7 15.1.0-15.1.0.5 16.0.0-16.0.0.1

Affected range stops below 14.1.2.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

Patch and advisory references

https://support.f5.com/csp/article/K53821711

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.f5.com/csp/article/K53821711

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

NVD-CWE-noinfo

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