Cyber Resilience

CVE-2020-36439

High

Published: 08 August 2021

Published
08 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0034 56.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-36439 is a high-severity Race Condition (CWE-362) vulnerability in Ticketed Lock Project Ticketed Lock. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 43.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in the ticketed_lock crate before 0.3.0 for Rust. There are unconditional implementations of Send for ReadTicket<T> and WriteTicket<T>.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ticketed lock project
ticketed lock
≤ 0.3.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-362

Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.

addresses: CWE-362

Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.

References