What is CVE-2020-36454?

An issue was discovered in the parc crate through 2020-11-14 for Rust. LockWeak has an unconditional implementation of Send without trait bounds on T.

How severe is CVE-2020-36454?

CVE-2020-36454 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36454 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36454?

CVE-2020-36454 affects Parc Project Parc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36454?

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-2020-36454 published?

CVE-2020-36454 was published on 2021-08-08 and last updated on 2026-06-17.

CVE-2020-36454

CVE-2020-36454 is a high-severity vulnerability in Parc Project Parc with a CVSS 3.x base score of 8.1. 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-362.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Parc Project Parc
Published: 2021-08-08
Last modified: 2026-06-17

Description

An issue was discovered in the parc crate through 2020-11-14 for Rust. LockWeak<T> has an unconditional implementation of Send without trait bounds on T.

Frequently asked questions

What is CVE-2020-36454?: An issue was discovered in the parc crate through 2020-11-14 for Rust. LockWeak<T> has an unconditional implementation of Send without trait bounds on T.
How severe is CVE-2020-36454?: CVE-2020-36454 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36454 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36454?: CVE-2020-36454 affects Parc Project Parc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36454?: 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-2020-36454 published?: CVE-2020-36454 was published on 2021-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:parc_project:parc:*:*:*:*:*:rust:*:*

Other CWE-362 (Race Condition) vulnerabilities

CVE-2022-27626 — Critical (CVSS 10.0): A vulnerability regarding concurrent execution using shared resource with improper synchronization ('Race Condition')…
CVE-2015-8556 — Critical (CVSS 10.0): Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
CVE-2014-0703 — Critical (CVSS 10.0): Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition…
CVE-2010-1228 — Critical (CVSS 10.0): Multiple race conditions in the sandbox infrastructure in Google Chrome before 4.1.249.1036 have unspecified impact and…
CVE-2008-6598 — Critical (CVSS 10.0): Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and attack vectors related to "bri restart logic."
CVE-2026-46137 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential…

Browse all CWE-362 (Race Condition) vulnerabilities →