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CVE-2021-43045 — Vulnerability in Apache.Avro — CVE Details

HIGH

Allocation of Resources Without Limits or Throttling in Apache Avro

Published January 8, 2022Updated February 16, 2024Source: osv

Summary

A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache Avro version 1.10.2 and prior versions. Users should update to version 1.11.0 which addresses this issue.

Advisory Timeline

  • First published January 8, 2022 (1738 days ago).
  • Last revised February 16, 2024 — 769 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update Apache.Avro to 1.11.0 or later
dotnet add package Apache.Avro --version 1.11.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
Apache.Avro
nuget
1.10.0, 1.10.0-alpha001, 1.10.1, 1.10.2 (+14 more)1.11.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-770
    Allocation of Resources Without LimitsMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Frequently Asked Questions

What is CVE-2021-43045?
Allocation of Resources Without Limits or Throttling in Apache Avro This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2021-43045?
CVE-2021-43045 affects Apache.Avro. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-43045 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-868x-rg4c-cjqg

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