Home/CVE/Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 112011
CVE

CVE-2023-23449

Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 112011

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.

MEDIUM · CVSS 5.3 EPSS 0.00377
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
CWE-204Observable Response Discrepancy
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Affected Products & Versions

7
sick ftmg-esd20axx firmware< 2.0
sick ftmg-esd25axx firmware< 2.0
sick ftmg-esn40sxx firmware< 2.0
sick ftmg-esn50sxx firmware< 2.0
sick ftmg-esr50sxx firmware< 2.0
sick ftmg-esr40sxx firmware< 2.0
sick ftmg-esd15axx firmware< 2.0
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · psirt@sick.de
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 May 2023 · 11:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.jsonVendor Advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdfVendor Advisory
https://sick.com/psirtVendor Advisory
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