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CVE-2021-38399— Honeywell Experion PKS and ACE Controllers Relative Path Traversal

Quick assessment

Affected
Honeywell Experion PKS
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.

Honeywell Experion PKS和Honeywell Ace Controllers都是美国霍尼韦尔（Honeywell）公司的产品。Honeywell Experion PKS是一个过程自动化系统。Honeywell Ace Controllers是用于在服务器级计算机平台上执行 Honeywell 的控制执行环境 (Cee)。 Honeywell Experion PKS 和 ACE Controllers存在路径遍历漏洞，该漏洞源于处理目录遍历序列时的输入验证错误。攻击者可利用该漏洞通过

CVSS 7.5 · High EPSS 0.83% · P56

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-38399

Vulnerability Information
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Vulnerability Title
Honeywell Experion PKS and ACE Controllers Relative Path Traversal
Source: CVE Program / CVE List V5
Vulnerability Description
Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to relative path traversal, which may allow an attacker access to unauthorized files and directories.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Honeywell Experion PKS和Ace Controllers 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Honeywell Experion PKS和Honeywell Ace Controllers都是美国霍尼韦尔（Honeywell）公司的产品。Honeywell Experion PKS是一个过程自动化系统。Honeywell Ace Controllers是用于在服务器级计算机平台上执行 Honeywell 的控制执行环境 (Cee)。 Honeywell Experion PKS 和 ACE Controllers存在路径遍历漏洞，该漏洞源于处理目录遍历序列时的输入验证错误。攻击者可利用该漏洞通过
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
Honeywell Experion PKS C200 -

II. Public POCs for CVE-2021-38399

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III. Intelligence Information for CVE-2021-38399

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Vendor Advisories for CVE-2021-38399 (1)

Other References for CVE-2021-38399 (1)

Same Patch Batch · Honeywell · 2022-10-28 · 3 CVEs total

CVE-2021-38397 10.0 CRITICAL Honeywell Experion PKS and ACE Controllers Unrestricted Upload of File with Dangerous Type
CVE-2021-38395 9.1 CRITICAL Honeywell Experion PKS and ACE Controllers Injection

IV. Related Vulnerabilities

Same product: Experion PKS
Same vendor: Honeywell
Same weakness: CWE-23

V. Comments for CVE-2021-38399

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