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CVE-2020-35883

27
FAUCET Score

CVE-2020-35883 is a critical directory traversal vulnerability affecting the mozwire crate for Rust, allowing unauthenticated attackers to overwrite local files ending with .conf. With a CVSS score of 9.1, this flaw presents a high impact to integrity and availability due to its network-based attack vector and low complexity. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.4.1CPE matchmatch criteria
cpe:2.3:a:mozwire_project:mozwire:*:*:*:*:*: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:N/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
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
71.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 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

Patch Available

Vendor Patches (1)

rustpatch availablevia ghsa
Product: mozwireFixed in: 0.5.0

Vendor Advisories (1)

rustGHSA-4vhw-4rw7-jfpvcritical

Path traversal in mozwire

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2020-0030.html
Third Party Advisory