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CVE-2021-32977— AVEVA System Platform Improper Verification of Cryptographic Signature

Quick assessment

Affected
AVEVA AVEVA System Platform
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.

AVEVA System Platform是英国AVEVA公司的一个应用软件。用于监管、企业 SCADA、MES 和 IIoT 应用程序的响应迅速、标准驱动且可扩展的基础。 AVEVA System Platform 存在数据伪造问题漏洞，该漏洞源于软件没有验证或错误地验证数据的加密签名。

CVSS 7.2 · High EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-32977

Vulnerability Information
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Vulnerability Title
AVEVA System Platform Improper Verification of Cryptographic Signature
Source: CVE Program / CVE List V5
Vulnerability Description
AVEVA System Platform versions 2017 through 2020 R2 P01 does not verify, or incorrectly verifies, the cryptographic signature for data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
AVEVA System Platform 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AVEVA System Platform是英国AVEVA公司的一个应用软件。用于监管、企业 SCADA、MES 和 IIoT 应用程序的响应迅速、标准驱动且可扩展的基础。 AVEVA System Platform 存在数据伪造问题漏洞，该漏洞源于软件没有验证或错误地验证数据的加密签名。
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
AVEVA AVEVA System Platform 2017 ~ 2020 R2 P01 -

II. Public POCs for CVE-2021-32977

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III. Intelligence Information for CVE-2021-32977

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Vendor Advisories for CVE-2021-32977 (1)

Other References for CVE-2021-32977 (1)

Same Patch Batch · AVEVA · 2022-04-04 · 5 CVEs total

CVE-2021-33008 8.8 HIGH AVEVA System Platform Missing Authentication for Critical Function
CVE-2021-33010 7.5 HIGH AVEVA System Platform Uncaught Exception
CVE-2021-32981 7.2 HIGH AVEVA System Platform Path Traversal
CVE-2021-32985 7.2 HIGH AVEVA System Platform Origin Validation Error

IV. Related Vulnerabilities

Same product: AVEVA System Platform
Same vendor: AVEVA
Same weakness: CWE-347

V. Comments for CVE-2021-32977

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