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No exploitation reportedFix available

CVE-2020-35881

No exploitation reported by the sources we read.

  • Published2020-12-31
  • WeaknessCWE-787

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 traitobject crate through 2020-06-01 for Rust. It has false expectations about fat pointers, possibly causing memory corruption in, for example, Rust 2.x.

Timeline

dates in UTC
  1. 2020-12-3110:15CVE publishedNVD

Versions per branch

OSV · NVD
traitobject
BranchAffectedFixed in
0.0+≥ 0.0.0-0no fix published
0.1≤ 0.1.0no fix published
Traitobject project traitobject
BranchAffectedFixed in
0.1≤ 0.1.0no fix published

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

  • aws-efs-utilsSUSE:Linux Enterprise Module for Public Cloud 15 SP7all versions · fixed in 2.3.3-150600.17.6.1
  • aws-efs-utilsSUSE:Linux Enterprise Module for Public Cloud 15 SP6all versions · fixed in 2.3.3-150600.17.6.1
  • aws-efs-utilsopenSUSE:Tumbleweedall versions · fixed in 2.2.1-1.1
  • aws-efs-utilsopenSUSE:Leap 15.6all versions · fixed in 2.3.3-150600.17.6.1
  • efs-utilsWolfiall versions · fixed in 2.2.0-r20and 1 other package
  • efs-utilsChainguardall versions · fixed in 2.2.0-r20and 1 other package

Full record on NVD

Fix

Advisories and patches

Detection

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

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score1.7 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2021-08-19

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-12-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-j79j-cx3h-g27h

Frequently asked questions

What is CVE-2020-35881?

An issue was discovered in the traitobject crate through 2020-06-01 for Rust. It has false expectations about fat pointers, possibly causing memory corruption in, for example, Rust 2.x.

Is CVE-2020-35881 actively exploited?

Active exploitation of CVE-2020-35881 has not been confirmed. Its EPSS score was 1.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-35881?

CVE-2020-35881 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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