CVE-2022-21211
CVSS v3
7.5
HIGH
EPSS Score
1.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
This affects all versions of package posix. When invoking the toString method, it will fallback to 0x0 value, as the value of toString is not invokable (not a function), and then it will crash with type-check.
Technical details
- Published
- 2022-06-10
Frequently asked questions
What is CVE-2022-21211?
This affects all versions of package posix. When invoking the toString method, it will fallback to 0x0 value, as the value of toString is not invokable (not a function), and then it will crash with type-check.
Is CVE-2022-21211 actively exploited?
Active exploitation of CVE-2022-21211 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-21211?
CVE-2022-21211 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-21211 affecting your environment?
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