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I. Basic Information for CVE-2021-4467
Vulnerability Information

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Vulnerability Title
Positive Technologies MaxPatrol 8 & XSpider Remote DoS
Source: NVD (National Vulnerability Database)
Vulnerability Description
Positive Technologies MaxPatrol 8 and XSpider contain a remote denial-of-service vulnerability in the client communication service on TCP port 2002. The service generates a new session identifier for each incoming connection without adequately limiting concurrent requests. An unauthenticated remote attacker can repeatedly issue HTTPS requests to the service, causing excessive allocation of session identifiers. Under load, session identifier collisions may occur, forcing active client sessions to disconnect and resulting in service disruption.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Positive MaxPatrol 8和Positive XSpider 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Positive MaxPatrol 8和Positive XSpider都是俄罗斯Positive公司的产品。Positive MaxPatrol 8是一款漏洞管理平台。Positive XSpider是一款网络漏洞扫描器。 Positive MaxPatrol 8和Positive XSpider存在安全漏洞,该漏洞源于客户端通信服务未限制并发请求,可能导致拒绝服务攻击。
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
VendorProductAffected VersionsCPESubscribe
Positive TechnologiesMaxPatrol 8 (Server) 0 ~ 09.2020 -
Positive TechnologiesXSpider (Server) 0 ~ 09.2020 -
II. Public POCs for CVE-2021-4467
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III. Intelligence Information for CVE-2021-4467
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IV. Related Vulnerabilities
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