CVE-2021-29937: telemetry_project telemetry Use of Uninitialized Resource
CVSS: 9.8v3.1CriticalModified
AliasesCGA-59ch-gwx4-fwvvCGA-65cc-vxgv-98q4CGA-8q48-556h-wm2fCGA-r6cg-344j-cwp9GHSA-hpcx-3pw8-g3j2RUSTSEC-2021-0046
Published 01-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-29937 is a critical (CVSS 9.8) Use of Uninitialized Resource vulnerability in telemetry_project telemetry. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 01-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in the telemetry crate through 2021-02-17 for Rust. There is a drop of uninitialized memory if a value.clone() call panics within misc::vec_with_size().
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
1.36%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.36% on 20-09-2026
20-09-202620-10-2026
EPSS score1.36%
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
Chainguard1 product
- zedAll versions (No fix recorded)
Crates.Io1 product
- telemetry< 0.1.3 | ≥ 0.0.0-0 (No fix recorded)
Telemetry_project1 product
- telemetry≤ 2021-02-17
Wolfi1 product
- zedAll versions (No fix recorded)
4 vendors · 4 products
References
6 links- rustsec.org/advisories/RUSTSEC-2021-0046.htmlX Refsource MISCEVIDENCEWEBAdvisoryExploitVendor Advisory
- crates.io/crates/telemetryPACKAGE