CVE-2021-43045— Possible DOS vulnerabilities in C# Avro SDK
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-43045
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Possible DOS vulnerabilities in C# Avro SDK
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Avro 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Avro是美国阿帕奇（Apache）基金会的一个数据序列化系统。为 Apache Hadoop 提供数据序列化和数据交换服务。 Apache Avro 中存在资源管理错误漏洞，该漏洞源于产品的.net SDK组件未对分配资源量进行有效限制。攻击者可通过该漏洞分配过多资源导致拒绝服务。以下产品及版本受到影响： Apache Avro 1.10.2 版本及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache Avro | Apache Avro ~ 1.10.2 | - |
II. Public POCs for CVE-2021-43045
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-43045
请登录查看更多情报信息。
Same Patch Batch · Apache Software Foundation · 2022-01-06 · 10 CVEs total
| CVE-2021-45458 | Hardcoded credentials | |
| CVE-2021-45457 | Overly broad CORS configuration | |
| CVE-2021-45456 | Command injection | |
| CVE-2021-36774 | Mysql JDBC Connector Deserialize RCE | |
| CVE-2021-31522 | Apache Kylin unsafe class loading | |
| CVE-2021-27738 | Improper Access Control to Streaming Coordinator & SSRF | |
| CVE-2021-36739 | XSS vulnerability in the MVCBean JSP portlet maven archetype | |
| CVE-2021-36738 | XSS vulnerability in the JSP version of the Apache Pluto Applicant MVCBean CDI portlet | |
| CVE-2021-36737 | XSS in V3 Demo Portlet |
IV. Related Vulnerabilities
Same vendor: Apache Software Foundation
- CVE-2026-39816
Apache NiFi: Missing Execute Code Required Permission on Tin - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro - CVE-2026-25077
Apache CloudStack: Unauthenticated Command Injection in Dire - CVE-2025-69233
Apache CloudStack: Domain/account resources limits not honor - CVE-2025-66467
Apache CloudStack: MinIO policy remains intact on bucket del
Same weakness: CWE-770
- CVE-2026-42294
Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in W - CVE-2026-42189
Russh: Pre-auth DoS via unbounded allocation in keyboard-int - CVE-2026-42793
Atom table exhaustion via attacker-controlled GraphQL SDL na - CVE-2026-44499
ZEBRA: Permanent Block Discovery Halt via Gossip Queue Satur - CVE-2026-44500
ZEBRA: Allocation Amplification in Inbound Network Deseriali
V. Comments for CVE-2021-43045
No comments yet