CVE-2021-31474
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I. Basic Information for CVE-2021-31474
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor 2020.2.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SolarWinds.Serialization library. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12213.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
SolarWinds Network Performance Monitor 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Solarwinds SolarWinds Network Performance Monitor（NPM）是美国SolarWinds（Solarwinds）公司的一款网络性能监视器，它为路由器、虚拟化环境和其他设备提供监控和报告、跟踪up/down状态、实时分析和网络性能统计等功能。 SolarWinds Network Performance Monitor 存在安全漏洞，该漏洞允许远程攻击者在受影响的SolarWinds网络性能监视器安装上执行任意代码。
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 |
|---|---|---|---|---|
| SolarWinds | Network Performance Monitor | 2020.2.1 | - |
II. Public POCs for CVE-2021-31474
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.zerodayinitiative.com/advisories/ZDI-21-602/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-31474
IV. Related Vulnerabilities
Same vendor: SolarWinds
- CVE-2026-28298
SolarWinds Observability Self-Hosted Stored Cross-Site Scrip - CVE-2026-28297
SolarWinds Observability Self-Hosted Stored Cross-Site Scrip - CVE-2025-40541
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Re - CVE-2025-40540
SolarWinds Serv-U Type Confusion Remote Code Execution Vulne - CVE-2025-40539
SolarWinds Serv-U Type Confusion Remote Code Execution Vulne
Same weakness: CWE-502
- CVE-2026-44126
Insecure deserialization - CVE-2026-5127
User Frontend: AI Powered Frontend Posting, User Directory, - CVE-2026-41586
ObjectInputStream.readObject() without ObjectInputFilter in - CVE-2026-34084
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2021-31474
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