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CVE-2021-32959— AVEVA SuiteLink Server Buffer Overflow

Quick assessment

Affected
AVEVA Software, LLC AVEVA System Platform 2020
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 SuiteLink Server是英国AVEVA（Aveva）公司的一款通信服务器。 AVEVA SuiteLink Server 存在缓冲区错误漏洞，该漏洞源于 SuiteLink Server 处理命令 0x05/0x06 时 SuiteLink 服务器中基于堆的缓冲区溢出。

CVSS 8.1 · High EPSS 0.94% · P59

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-32959

Vulnerability Information
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Vulnerability Title
AVEVA SuiteLink Server Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in SuiteLink server while processing commands 0x05/0x06
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Aveva SuiteLink Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Aveva SuiteLink Server是英国AVEVA（Aveva）公司的一款通信服务器。 AVEVA SuiteLink Server 存在缓冲区错误漏洞，该漏洞源于 SuiteLink Server 处理命令 0x05/0x06 时 SuiteLink 服务器中基于堆的缓冲区溢出。
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 Software, LLC AVEVA System Platform 2020 unspecified ~ R2 P01 -
AVEVA Software, LLC AVEVA InTouch 2020 unspecified ~ R2 P01 -
AVEVA Software, LLC AVEVA Historian 2020 unspecified ~ R2 P01 -
AVEVA Software, LLC AVEVA Communication Drivers Pack 2020 unspecified ~ R2 -
AVEVA Software, LLC AVEVA Batch Management 2020 unspecified ~ 2020 -
AVEVA Software, LLC AVEVA MES 2014 unspecified ~ R2 -

II. Public POCs for CVE-2021-32959

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III. Intelligence Information for CVE-2021-32959

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Other References for CVE-2021-32959 (1)

Same Patch Batch · AVEVA Software, LLC · 2021-09-23 · 6 CVEs total

CVE-2021-32963 7.5 HIGH AVEVA SuiteLink Server Null Pointer Dereference
CVE-2021-32971 7.5 HIGH AVEVA SuiteLink Server Null Pointer Dereference
CVE-2021-32979 7.5 HIGH AVEVA SuiteLink Server Null Pointer Dereference
CVE-2021-32987 7.5 HIGH AVEVA SuiteLink Server Null Pointer Dereference
CVE-2021-32999 7.5 HIGH AVEVA SuiteLink Server Improper Handling of Exceptional Conditions

IV. Related Vulnerabilities

Same product: AVEVA System Platform 2020
Same vendor: AVEVA Software, LLC
Same weakness: CWE-122

V. Comments for CVE-2021-32959

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