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CVE-2020-36459: An issue was discovered in the dces crate through 2020-12-09 for Rust

55
This week
HIGH 8.1REMOTEUPGRADE

CVE-2020-36459 is a high-severity flaw (CVSS 8.1) affecting dces. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the dces crate through 2020-12-09 for Rust. The World type is marked as Send but lacks bounds on its EntityStore and ComponentStore.

Why this priority

  • High severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score8.1 (High)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance1.1% (top 34%)
CISA exploited listNo
WeaknessCWE-77
Published2021-08-08
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: dces project

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

dces project dces UPGRADE
Affected: <= 2020-12-09
Fixed in: newer than 2020-12-09
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy dces || rpm -q dces || dces --version
2. UPGRADE to newer than 2020-12-09 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade dces
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade dces
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-36459?

dces: upgrade to newer than 2020-12-09. Exact commands for each OS are on this page.

Is CVE-2020-36459 being exploited?

CVE-2020-36459 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-36459 affect?

CVE-2020-36459 affects dces. Severity is high (CVSS 8.1). An issue was discovered in the dces crate through 2020-12-09 for Rust. The World type is marked as Send but lacks bounds on its EntityStore and ComponentStore.

How urgent is CVE-2020-36459?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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