CVE-2020-35881: traitobject_project traitobject Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
AliasesCGA-4crc-cxw6-x225CGA-7xmj-9c58-6w85CGA-f887-55rj-phhpCGA-xwm5-ccqg-cwjpopenSUSE-SU-2025:14951-1GHSA-j79j-cx3h-g27hRUSTSEC-2020-0027
Published 31-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-35881 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in traitobject_project traitobject. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.73%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 3Timeline
- 31-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · WolfiEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · Crates.ioEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.73%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
+0.02 pp
From 1.71% on 20-09-2026
20-09-202620-10-2026
EPSS score1.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (rustsec.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Chainguard2 products
- efs-utils< 2.2.0-r20
- efs-utils-for-aws-csi-driver< 2.2.0-r20
Wolfi2 products
- efs-utils< 2.2.0-r20
- efs-utils-for-aws-csi-driver< 2.2.0-r20
Crates.Io1 product
- traitobject≤ 0.1.0 | ≥ 0.0.0-0 (No fix recorded)
Opensuse1 product
- aws-efs-utils&distro=openSUSE Tumbleweed< 2.2.1-1.1
Traitobject_project1 product
- traitobject≤ 0.1.0
5 vendors · 7 products
References
7 links- rustsec.org/advisories/RUSTSEC-2020-0027.htmlX Refsource MISCFIXWEBAdvisoryExploitPatchThird Party Advisory
- lists.opensuse.org/archives/…Advisory
- crates.io/crates/traitobjectPACKAGE