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TI-2021-20798 Aliases CVE-2021-45711GHSA-g4h2-4wvh-grc5

An issue was discovered in the simple_asn1 crate 0.6.0 before 0.6.1 for Rust.

Priority LOW 36CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

An issue was discovered in the simple_asn1 crate 0.6.0 before 0.6.1 for Rust. There is a panic if UTCTime data, supplied by a remote attacker, has a second character greater than 0x7f.

Why it matters now

EPSS 0.01384 72nd percentileScored 2026-11-07
Fix Fixed simple_asn1 (crates.io): 0.6.1

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
—simple_asn1 (crates.io)0.6.0 to before 0.6.10.6.1Patch availableGHSA-g4h2-4wvh-grc5
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • simple_asn1 (crates.io) Vendor— Affected 0.6.0 to before 0.6.1 Fixed in 0.6.1 Patch available GHSA-g4h2-4wvh-grc5

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:simple_asn1_project:simple_asn1:0.6.0:*:*:*:*:rust:*:*0.6.0VulnerableSimple Asn1 Project
  • cpe:2.3:a:simple_asn1_project:simple_asn1:0.6.0:*:*:*:*:rust:*:* Versions 0.6.0 Vulnerable ·Simple Asn1 Project

Remediation

  • Fix · GHSA-g4h2-4wvh-grc5 simple_asn1 (crates.io) Fixed in 0.6.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45711
  2. 2026-10-03 Alias added: GHSA-g4h2-4wvh-grc5

References

Advisory 3

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences