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TI-2020-18363 Aliases CVE-2020-35920GHSA-458v-4hrf-g3m4

An issue was discovered in the socket2 crate before 0.3.16 for Rust.

Priority LOW 25CWE-188Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

An issue was discovered in the socket2 crate before 0.3.16 for Rust. It has false expectations about the std::net::SocketAddr memory representation.

Why it matters now

EPSS 0.00407 35th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed socket2 (crates.io): 0.3.16net2 (crates.io): 0.2.36

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—socket2 (crates.io)before 0.3.160.3.16Patch availableGHSA-458v-4hrf-g3m4
—net2 (crates.io)before 0.2.360.2.36Patch availableGHSA-458v-4hrf-g3m4
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • socket2 (crates.io) Vendor— Affected before 0.3.16 Fixed in 0.3.16 Patch available GHSA-458v-4hrf-g3m4
  • net2 (crates.io) Vendor— Affected before 0.2.36 Fixed in 0.2.36 Patch available GHSA-458v-4hrf-g3m4

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rust-lang:socket2:*:*:*:*:*:rust:*:*before 0.3.16Vulnerablerust-lang
  • cpe:2.3:a:rust-lang:socket2:*:*:*:*:*:rust:*:* Versions before 0.3.16 Vulnerable ·rust-lang

Remediation

  • Fix · GHSA-458v-4hrf-g3m4 socket2 (crates.io) Fixed in 0.3.16 Advisory →
  • Fix · GHSA-458v-4hrf-g3m4 net2 (crates.io) Fixed in 0.2.36 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-35920
  2. 2026-10-03 Alias added: GHSA-458v-4hrf-g3m4

References

Sources