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CVE-2021-43549— OSIsoft PI Web API

Quick assessment

Affected
OSIsoft PI Web API
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Osisoft OSIsoft PI是美国OSIsoft（Osisoft）公司的一套基于Ckient/Server结构的商品化软件应用平台。该平台支持数据采集、分析和可视化等。 OSIsoft PI Server 存在安全漏洞，具有写访问权限的远程身份验证攻击者可能会诱使用户与 PI Web API 端点交互并将其重定向到恶意网站。因此，受害者可能会向攻击者披露敏感信息或被提供虚假信息。

CVSS 6.9 · Medium EPSS 0.71% · P52
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I. Basic Information for CVE-2021-43549

Vulnerability Information
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Vulnerability Title
OSIsoft PI Web API
Source: CVE Program / CVE List V5
Vulnerability Description
A remote authenticated attacker with write access to a PI Server could trick a user into interacting with a PI Web API endpoint and redirect them to a malicious website. As a result, a victim may disclose sensitive information to the attacker or be provided with false information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
OSIsoft PI Server 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Osisoft OSIsoft PI是美国OSIsoft（Osisoft）公司的一套基于Ckient/Server结构的商品化软件应用平台。该平台支持数据采集、分析和可视化等。 OSIsoft PI Server 存在安全漏洞，具有写访问权限的远程身份验证攻击者可能会诱使用户与 PI Web API 端点交互并将其重定向到恶意网站。因此，受害者可能会向攻击者披露敏感信息或被提供虚假信息。
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
OSIsoft PI Web API All versions ~ 2019 SPI -

II. Public POCs for CVE-2021-43549

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III. Intelligence Information for CVE-2021-43549

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Vendor Advisories for CVE-2021-43549 (1)

IV. Related Vulnerabilities

Same product: PI Web API
Same vendor: OSIsoft
Same weakness: CWE-79

V. Comments for CVE-2021-43549

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