HOMEVULNERABILITIESCVE-2017-6023
CRITICAL

CVE-2017-6023

CWE-121Published: March 16, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An issue was discovered in Fatek Automation PLC Ethernet Module. The affected Ether_cfg software configuration tool runs on the following Fatek PLCs: CBEH versions prior to V3.6 Build 170215, CBE versions prior to V3.6 Build 170215, CM55E versions prior to V3.6 Build 170215, and CM25E versions prior to V3.6 Build 170215. A stack-based buffer overflow vulnerability has been identified, which may allow remote code execution or crash the affected device.

NVD Source

Technical Analysis

CVE-2017-6023 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

fatek5 product(s)
ethernet module configuration tool cbe firmwareethernet module configuration tool cbeh firmwareethernet module configuration tool cm25e firmwareethernet module configuration tool cm55e firmwareplc ethernet module
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/96892
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-17-073-01
ADVISORYhttp://www.securityfocus.com/bid/96892
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-17-073-01

All References (4)

→
http://www.securityfocus.com/bid/96892Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-073-01Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/96892Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-073-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2017-6023
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-121
CISA KEVNo
Affected1 vendor(s)
PublishedMar 16, 2017

Related CVEs (CWE-121)

CVE-2026-42996
10.0
CVE-2026-12846
10.0
CVE-2021-21960
10.0
CVE-2026-37541
10.0
CVE-2021-21961
10.0
CVE-2020-14498
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-6023 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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