CVE-2020-35883 json
Path traversal in mozwire
published 2020-08-18 6 y ago modified 2026-06-17 4 mo 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
Exploit prediction
1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
-
github.com
/NilsIrl/MozWire/pull/17/commits/dd0639bf2876773b66382f47285f7db701f628d9
web
-
rustsec.org
/advisories/RUSTSEC-2020-0030.html
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-35883
advisory
-
github.com
/NilsIrl/MozWire/issues/14
web, report
-
github.com
/NilsIrl/MozWire
web
-
crates.io
/crates/mozwire
package
Sources
- CVE List CVE-2020-35883
- GitHub Advisory GHSA-4vhw-4rw7-jfpv
- NVD CVE-2020-35883
- OSV RUSTSEC-2020-0030
Fencer Vulns 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.