How severe is CVE-2020-36208?

CVE-2020-36208 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36208 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36208?

CVE-2020-36208 affects Conquer-once Project Conquer-once. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36208?

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

When was CVE-2020-36208 published?

CVE-2020-36208 was published on 2021-01-26 and last updated on 2026-06-17.

CVE-2020-36208

CVE-2020-36208 is a high-severity vulnerability in Conquer-once Project Conquer-once with a CVSS 3.x base score of 7.8. 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-662.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-662
Affected product: Conquer-once Project Conquer-once
Published: 2021-01-26
Last modified: 2026-06-17

Description

An issue was discovered in the conquer-once crate before 0.3.2 for Rust. Thread crossing can occur for a non-Send but Sync type, leading to memory corruption.

Frequently asked questions

What is CVE-2020-36208?: An issue was discovered in the conquer-once crate before 0.3.2 for Rust. Thread crossing can occur for a non-Send but Sync type, leading to memory corruption.
How severe is CVE-2020-36208?: CVE-2020-36208 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36208 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36208?: CVE-2020-36208 affects Conquer-once Project Conquer-once. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36208?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-36208 published?: CVE-2020-36208 was published on 2021-01-26 and last updated on 2026-06-17.

References

https://rustsec.org/advisories/RUSTSEC-2020-0101.html

Affected products (1)

cpe:2.3:a:conquer-once_project:conquer-once:*:*:*:*:*:rust:*:*

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