How severe is CVE-2020-35866?

CVE-2020-35866 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-2020-35866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35866?

CVE-2020-35866 affects Rusqlite Project Rusqlite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35866?

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-2020-35866 published?

CVE-2020-35866 was published on 2020-12-31 and last updated on 2026-06-17.

CVE-2020-35866

CVE-2020-35866 is a critical-severity vulnerability in Rusqlite Project Rusqlite 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% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Rusqlite Project Rusqlite
Published: 2020-12-31
Last modified: 2026-06-17

Description

An issue was discovered in the rusqlite crate before 0.23.0 for Rust. Memory safety can be violated via VTab / VTabCursor.

Frequently asked questions

What is CVE-2020-35866?: An issue was discovered in the rusqlite crate before 0.23.0 for Rust. Memory safety can be violated via VTab / VTabCursor.
How severe is CVE-2020-35866?: CVE-2020-35866 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-2020-35866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35866?: CVE-2020-35866 affects Rusqlite Project Rusqlite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35866?: 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-2020-35866 published?: CVE-2020-35866 was published on 2020-12-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rusqlite_project:rusqlite:*:*:*:*:*:rust:*:*

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