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CVE-2020-35892

26
FAUCET Score

CVE-2020-35892 is a critical out-of-bounds read vulnerability (CWE-125) affecting the simple-slab crate before version 0.3.3 for Rust. With a CVSS score of 9.1, this vulnerability allows an unauthenticated attacker to remotely achieve high confidentiality and availability impact with low attack complexity. While the FAUCET Risk Score is 72/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.3CPE matchmatch criteria
cpe:2.3:a:simple-slab_project:simple-slab:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 59th 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: simple-slabFixed in: 0.3.3

Vendor Advisories (1)

rustGHSA-438g-fx34-4h9mcritical

Out of bounds read in simple-slab

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2020-0039.html
Third Party Advisory