8.1

CVE-2021-45710: tokio Race Condition

CVSS: 8.1v3.1HighModified
AliasesSUSE-SU-2022:3996-1SUSE-SU-2022:4124-1UBUNTU-CVE-2021-45710
Published 26-12-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-45710 is a high (CVSS 8.1) Race Condition vulnerability in tokio. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.7% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
1.24%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6

Timeline

  1. 26-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the tokio crate before 1.8.4, and 1.9.x through 1.13.x before 1.13.1, for Rust. In certain circumstances involving a closed oneshot channel, there is a data race and memory corruption.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

1.24%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

+0.08 pp

From 1.16% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Opensuse9 products
  • 389-ds&distro=openSUSE Leap 15.3< 1.4.4.19~git59.136fc84-150300.3.27.1
  • 389-ds&distro=openSUSE Leap 15.4< 2.0.16~git56.d15a0a7-150400.3.15.1
  • greetd&distro=openSUSE Tumbleweed< 0.8.0-2.1
  • rustscan&distro=openSUSE Tumbleweed< 2.0.1+0-1.1
  • rustup&distro=openSUSE Tumbleweed< 1.24.3~git1.0a74fef5-2.1
Suse2 products
  • 389-ds&distro=SUSE Linux Enterprise Module for Server Applications 15 SP3< 1.4.4.19~git59.136fc84-150300.3.27.1
  • 389-ds&distro=SUSE Linux Enterprise Module for Server Applications 15 SP4< 2.0.16~git56.d15a0a7-150400.3.15.1
Chainguard1 product
  • todaAll versions (No fix recorded) | < 0.3.0-r0
Crates.Io1 product
  • tokio≥ 0.1.14, < 1.8.4 | ≥ 1.9.0, < 1.13.1
Debian1 product
  • rust-tokio< 1.15.0-1
Tokio1 product
  • tokio≥ 0.1.14, < 1.8.4 | ≥ 1.9.0, < 1.13.1
Ubuntu1 product
  • rust-tokioAll versions (No fix recorded)

7 vendors · 16 products

References

16 links
Show all 16 references