How severe is CVE-2020-35879?

CVE-2020-35879 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-2020-35879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35879?

CVE-2020-35879 affects Rulinalg Project Rulinalg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35879?

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-2020-35879 published?

CVE-2020-35879 was published on 2020-12-31 and last updated on 2026-06-17.

CVE-2020-35879

CVE-2020-35879 is a critical-severity vulnerability in Rulinalg Project Rulinalg 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: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Rulinalg Project Rulinalg
Published: 2020-12-31
Last modified: 2026-06-17

Description

An issue was discovered in the rulinalg crate through 2020-02-11 for Rust. There are incorrect lifetime-boundary definitions for RowMut::raw_slice and RowMut::raw_slice_mut.

Frequently asked questions

What is CVE-2020-35879?: An issue was discovered in the rulinalg crate through 2020-02-11 for Rust. There are incorrect lifetime-boundary definitions for RowMut::raw_slice and RowMut::raw_slice_mut.
How severe is CVE-2020-35879?: CVE-2020-35879 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-2020-35879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35879?: CVE-2020-35879 affects Rulinalg Project Rulinalg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35879?: 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-2020-35879 published?: CVE-2020-35879 was published on 2020-12-31 and last updated on 2026-06-17.

References

https://rustsec.org/advisories/RUSTSEC-2020-0023.html

Affected products (1)

cpe:2.3:a:rulinalg_project:rulinalg:0.4.1:*:*:*:*:rust:*:*