CVE-2023-21420

high-risk
Published 2023-02-09

Use of Externally-Controlled Format String vulnerabilities in STST TA prior to SMR Jan-2023 Release 1 allows arbitrary code execution.

Do I need to act?

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0.06% 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 7.3/10 High
LOCAL / LOW complexity

Affected Vendors

52
/ 100
high-risk
Severity 23/34 · High
Exploitability 0/34 · Minimal
Exposure 29/34 · Critical