7.5

CVE-2021-43045: apache software foundation apache avro

CVSS: 7.5v3.1HighModified
AliasesGHSA-868x-rg4c-cjqg
Published 06-01-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-43045 is a high (CVSS 7.5) vulnerability in apache software foundation apache avro. EPSS estimates a 2.96% chance of exploitation in the next 30 days, higher than 86.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.96%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-01-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.96%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.96% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.96%

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

Apache1 product
Apache software foundation1 product
NuGet1 product
  • Apache.Avro< 1.11.0

3 vendors · 3 products

References

7 links