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HIGH

CVE-2021-29930

CVSS v3

7.5

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in the arenavec crate through 2021-01-12 for Rust. A drop of uninitialized memory can sometimes occur upon a panic in T::default().

Technical details

Published
2021-04-01

Frequently asked questions

What is CVE-2021-29930?

An issue was discovered in the arenavec crate through 2021-01-12 for Rust. A drop of uninitialized memory can sometimes occur upon a panic in T::default().

Is CVE-2021-29930 actively exploited?

Active exploitation of CVE-2021-29930 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-29930?

CVE-2021-29930 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-29930 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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