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Fencer Intel
critical 9.1

CVE-2020-35883 json

Path traversal in mozwire

published 6y ago modified 4mo ago also GHSA-4vhw-4rw7-jfpv , RUSTSEC-2020-0030 , EUVD-2021-1562

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

An issue was discovered in the mozwire crate through 2020-08-18 for Rust. A ../ directory-traversal situation allows overwriting local files that have .conf at the end of the filename.

Patch / fix

  • crates.io mozwire 0.4.2-0, 0.5.0

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Exploit prediction

1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P
GitHub 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
OSV 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected packages

ecosystem package affected fixed in
crates.io mozwire
<0.5.0
>=0.0.0-0, <0.4.2-0
0.5.0
0.4.2-0

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.