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No exploitation reportedFix available

CVE-2020-35922

No exploitation reported by the sources we read.

  • Published2020-12-31
  • Fixed in0.7.6

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in the mio crate before 0.7.6 for Rust. It has false expectations about the std::net::SocketAddr memory representation.

Timeline

dates in UTC
  1. 2020-12-3109:15CVE publishedNVD

Versions per branch

NVD · OSV
Mio project mio
BranchAffectedFixed in
0.7≥ 0.7.0, < 0.7.60.7.6

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • rust-mioUbuntu:26.10all versions · no fixed version listed
  • rust-mioUbuntu:26.04:LTSall versions · no fixed version listed
  • rust-mioUbuntu:25.10all versions · no fixed version listed
  • rust-mioUbuntu:24.04:LTSall versions · no fixed version listed
  • rust-mioUbuntu:22.04:LTSall versions · no fixed version listed
  • rust-mioUbuntu:20.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

  1. Update Mio project mio to 0.7.6

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published
2020-12-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-pf3p-x6qj-6j7q

Frequently asked questions

What is CVE-2020-35922?

An issue was discovered in the mio crate before 0.7.6 for Rust. It has false expectations about the std::net::SocketAddr memory representation.

Is CVE-2020-35922 actively exploited?

Active exploitation of CVE-2020-35922 has not been confirmed. Its EPSS score was 0.4% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-35922?

CVE-2020-35922 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record