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CVE-2023-23449

Quick assessment

Affected
SICK AG SICK FTMG-ESD15AXX AIR FLOW SENSOR
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.

SICK FTMg是德国西克（SICK）公司的一款流量传感器。 SICK FTMg AIR FLOW SENSOR存在安全漏洞，该漏洞源于可观察到响应差异，允许远程攻击者通过REST接口分析来自服务器的质询响应来获取有关有效用户名的信息。

CVSS 5.3 · Medium EPSS 0.78% · P53

Affected Version Matrix 7

VendorProduct Version RangeStatus
SICK AG SICK FTMG-ESD15AXX AIR FLOW SENSOR all firmware versions affected
SICK AG SICK FTMG-ESD20AXX AIR FLOW SENSOR all firmware versions affected
SICK AG SICK FTMG-ESD25AXX AIR FLOW SENSOR all firmware versions affected
SICK AG SICK FTMG-ESN40SXX AIR FLOW SENSOR all firmware versions affected
SICK AG SICK FTMG-ESN50SXX AIR FLOW SENSOR all firmware versions affected
SICK AG SICK FTMG-ESR40SXX AIR FLOW SENSOR all firmware versions affected
SICK AG SICK FTMG-ESR50SXX AIR FLOW SENSOR all firmware versions affected
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I. Basic Information for CVE-2023-23449

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker to gain information about valid usernames by analyzing challenge responses from the server via the REST interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
SICK FTMg 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SICK FTMg是德国西克（SICK）公司的一款流量传感器。 SICK FTMg AIR FLOW SENSOR存在安全漏洞，该漏洞源于可观察到响应差异，允许远程攻击者通过REST接口分析来自服务器的质询响应来获取有关有效用户名的信息。
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
SICK AG SICK FTMG-ESD15AXX AIR FLOW SENSOR all firmware versions -
SICK AG SICK FTMG-ESD20AXX AIR FLOW SENSOR all firmware versions -
SICK AG SICK FTMG-ESD25AXX AIR FLOW SENSOR all firmware versions -
SICK AG SICK FTMG-ESN40SXX AIR FLOW SENSOR all firmware versions -
SICK AG SICK FTMG-ESN50SXX AIR FLOW SENSOR all firmware versions -
SICK AG SICK FTMG-ESR40SXX AIR FLOW SENSOR all firmware versions -
SICK AG SICK FTMG-ESR50SXX AIR FLOW SENSOR all firmware versions -

II. Public POCs for CVE-2023-23449

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-23449

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Other References for CVE-2023-23449 (2)

Same Patch Batch · SICK AG · 2023-05-15 · 8 CVEs total

CVE-2023-23447 7.5 HIGH SICK FTMg 资源管理错误漏洞
CVE-2023-23446 7.5 HIGH SICK FTMg 安全漏洞
CVE-2023-23445 7.5 HIGH SICK FTMg 安全漏洞
CVE-2023-23450 6.2 MEDIUM SICK FTMg 授权问题漏洞
CVE-2023-31409 5.3 MEDIUM SICK FTMg 资源管理错误漏洞
CVE-2023-31408 5.3 MEDIUM SICK FTMg 安全漏洞
CVE-2023-23448 5.3 MEDIUM SICK FTMg 安全漏洞

IV. Related Vulnerabilities

Same product: SICK FTMG-ESD15AXX AIR FLOW SENSOR
Same vendor: SICK AG
Same weakness: CWE-204

V. Comments for CVE-2023-23449

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