How severe is CVE-2021-28037?

CVE-2021-28037 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-28037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28037?

CVE-2021-28037 affects Internment Project Internment. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28037?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-28037 published?

CVE-2021-28037 was published on 2021-03-05 and last updated on 2026-06-17.

CVE-2021-28037

CVE-2021-28037 is a critical-severity vulnerability in Internment Project Internment with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Internment Project Internment
Published: 2021-03-05
Last modified: 2026-06-17

Description

An issue was discovered in the internment crate before 0.4.2 for Rust. There is a data race that can cause memory corruption because of the unconditional implementation of Sync for Intern<T>.

Frequently asked questions

What is CVE-2021-28037?: An issue was discovered in the internment crate before 0.4.2 for Rust. There is a data race that can cause memory corruption because of the unconditional implementation of Sync for Intern<T>.
How severe is CVE-2021-28037?: CVE-2021-28037 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-28037 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28037?: CVE-2021-28037 affects Internment Project Internment. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28037?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-28037 published?: CVE-2021-28037 was published on 2021-03-05 and last updated on 2026-06-17.

References

https://rustsec.org/advisories/RUSTSEC-2021-0036.html

Affected products (1)

cpe:2.3:a:internment_project:internment:*:*:*:*:*:rust:*:*

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