HOMEVULNERABILITIESCVE-2023-28713
HIGH

CVE-2023-28713

CWE-312Published: June 1, 2023· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official Description

Plaintext storage of a password exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. Because account information of the database is saved in a local file in plaintext, a user who can access the PC where the affected product is installed can obtain the information. As a result, information in the database may be obtained and/or altered by the user.

NVD Source

Technical Analysis

CVE-2023-28713 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

contec1 product(s)
conprosys hmi system
Source: NVD CPE · 1 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

ADVISORYhttps://jvn.jp/en/vu/JVNVU93372935/
ADVISORYhttps://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_en.pdf
ADVISORYhttps://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_jp.pdf
ADVISORYhttps://jvn.jp/en/vu/JVNVU93372935/
ADVISORYhttps://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_en.pdf
ADVISORYhttps://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_jp.pdf

All References (6)

→
https://jvn.jp/en/vu/JVNVU93372935/Third Party Advisory
→
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_en.pdfVendor Advisory
→
https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_jp.pdfVendor Advisory
→
https://jvn.jp/en/vu/JVNVU93372935/Third Party Advisory
→
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_en.pdfVendor Advisory
→
https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230531_jp.pdfVendor Advisory

Quick Facts

CVE IDCVE-2023-28713
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-312
CISA KEVNo
Affected1 vendor(s)
PublishedJun 1, 2023

Related CVEs (CWE-312)

CVE-2021-36782
9.9
CVE-2022-26148
9.8
CVE-2025-30124
9.8
CVE-2008-0174
9.8
CVE-2019-0285
9.8
CVE-2018-18641
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-28713 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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