CVE-2021-46020
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
An untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application crash.
Technical details
- Published
- 2022-01-14
Frequently asked questions
What is CVE-2021-46020?
An untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application crash.
Is CVE-2021-46020 actively exploited?
Active exploitation of CVE-2021-46020 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-2021-46020?
CVE-2021-46020 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-46020 affecting your environment?
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