CVE-2020-5938

moderate-risk
Published 2020-10-29

On BIG-IP 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, when negotiating IPSec tunnels with configured, authenticated peers, the peer may negotiate a different key length than the BIG-IP configuration would otherwise allow.

Do I need to act?

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0.12% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (14)

Affected Vendors

F5

References (2)

Vendor Advisory https://support.f5.com/csp/article/K76610106
Vendor Advisory https://support.f5.com/csp/article/K76610106
43
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 18/34 · Moderate