CVE-2021-22973

moderate-risk
Published 2021-02-12

On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and all 12.1.x versions, JSON parser function does not protect against out-of-bounds memory accesses or writes. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Do I need to act?

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0.65% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (10)

Affected Vendors

F5

References (2)

Vendor Advisory https://support.f5.com/csp/article/K13323323
Vendor Advisory https://support.f5.com/csp/article/K13323323
44
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 16/34 · Moderate