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CVE-2020-35877

29
FAUCET Score

CVE-2020-35877 is a critical memory safety vulnerability affecting the Rust ozone crate through 2020-07-04, specifically the ozone_project ozone product. With a CVSS score of 9.8, it allows unauthenticated, remote attackers to achieve high impact on confidentiality, integrity, and availability due to out-of-bounds access. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.1.0CPE matchmatch criteria
cpe:2.3:a:ozone_project:ozone:*:*:*:*:*:rust:*:*

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
1.52%
Probability of exploitation in next 30 days
EPSS Percentile
71.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0152 is in the 59th percentile among its peer group of 36,833 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

Vendor Advisories (1)

rustGHSA-p2q9-9cq6-h3jwcritical

Out of bounds read in Ozone

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2020-0022.html
Third Party Advisory