How severe is CVE-2021-29936?

CVE-2021-29936 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-2021-29936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29936?

CVE-2021-29936 affects Adtensor Project Adtensor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29936?

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-2021-29936 published?

CVE-2021-29936 was published on 2021-04-01 and last updated on 2026-06-17.

CVE-2021-29936

CVE-2021-29936 is a critical-severity vulnerability in Adtensor Project Adtensor 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. The underlying weakness is classified as CWE-908.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-908
Affected product: Adtensor Project Adtensor
Published: 2021-04-01
Last modified: 2026-06-17

Description

An issue was discovered in the adtensor crate through 2021-01-11 for Rust. There is a drop of uninitialized memory via the FromIterator implementation for Vector and Matrix.

Frequently asked questions

What is CVE-2021-29936?: An issue was discovered in the adtensor crate through 2021-01-11 for Rust. There is a drop of uninitialized memory via the FromIterator implementation for Vector and Matrix.
How severe is CVE-2021-29936?: CVE-2021-29936 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-2021-29936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29936?: CVE-2021-29936 affects Adtensor Project Adtensor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29936?: 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-2021-29936 published?: CVE-2021-29936 was published on 2021-04-01 and last updated on 2026-06-17.

References

https://rustsec.org/advisories/RUSTSEC-2021-0045.html

Affected products (1)

cpe:2.3:a:adtensor_project:adtensor:*:*:*:*:*:rust:*:*

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