CVE-2020-5913

HIGH

7.4

CVSS Score

Published: August 26, 2020 at 02:03 PM UTC

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

15 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

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Severity

HIGH7.4

Exploit prediction

EPSS 0.5%

Description

In versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, the BIG-IP Client or Server SSL profile ignores revoked certificates, even when a valid CRL is present. This impacts SSL/TLS connections and may result in a man-in-the-middle attack on the connections.

Affected

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

Big IP Access Policy Manager · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Advanced Firewall Manager · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Advanced Web Application Firewall · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Analytics · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Application Acceleration Manager · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Application Security Manager · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Ddos Hybrid Defender · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Domain Name System · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Fraud Protection Service · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, so it looks safe — our inference, not a vendor statement

Big IP Global Traffic Manager · F5

95%

11.6.1 ≤ v < 11.6.512.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.314.1.0 ≤ v < 14.1.2-0.89.3714.1.2.1 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.2

Affected range stops below 11.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2-0.89.37, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.0.1.2, 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/K72752002

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.f5.com/csp/article/K72752002

CVSS

7.4HIGH[email protected]

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-295

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