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-2020-25573

30
FAUCET Score

CVE-2020-25573 is a critical vulnerability affecting the linked-hash-map crate for Rust, specifically versions prior to 0.5.3. The flaw stems from the creation of an uninitialized NonNull pointer, violating a crucial non-null constraint within the software. With a CVSS score of 9.8, this vulnerability is highly severe, allowing for remote exploitation with low attack complexity and potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its critical severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.5.3CPE matchmatch criteria
cpe:2.3:a:linked-hash-map_project:linked-hash-map:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.79%
Probability of exploitation in next 30 days
EPSS Percentile
76.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0179 is in the 64th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rustpatch availablevia ghsa
Product: linked-hash-mapFixed in: 0.5.3

Vendor Advisories (1)

rustGHSA-r43h-gmrm-h5c9critical

Access of Uninitialized Pointer in linked-hash-map

Aug 25, 2021

References

github.com / contain-rs/linked-hash-map/pull/100
ExploitThird Party Advisory
rustsec.org / advisories/RUSTSEC-2020-0026.html
Vendor Advisory