Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-35913

17
FAUCET Score

CVE-2020-35913 describes a data race vulnerability in the lock_api crate for Rust, specifically affecting versions prior to 0.4.2, due to unsoundness in RwLockReadGuard. This vulnerability has a medium severity CVSS score of 4.7, indicating a local attack vector with high attack complexity, low privileges required, and a potential for high impact on availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.4.2CPE matchmatch criteria
cpe:2.3:a:lock_api_project:lock_api:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 50th percentile among its peer group of 1,296 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rustpatch availablevia ghsa
Product: lock_apiFixed in: 0.4.2

Vendor Advisories (1)

rustGHSA-hj9h-wrgg-hgmxmedium

Data races in lock_api

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2020-0070.html
Third Party Advisory