HOMEVULNERABILITIESCVE-2023-2003
CRITICAL

CVE-2023-2003

CWE-506Published: July 13, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Embedded malicious code vulnerability in Vision1210, in the build 5 of operating system version 4.3, which could allow a remote attacker to store base64-encoded malicious code in the device's data tables via the PCOM protocol, which can then be retrieved by a client and executed on the device.

NVD Source

Technical Analysis

CVE-2023-2003 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

unitronics2 product(s)
vision1210 firmwarevision1210
Source: NVD CPE · 2 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://www.hackplayers.com/2023/07/vulnerabilidad-vision1210-unitronics.html
ADVISORYhttps://www.incibe.es/en/incibe-cert/notices/aviso-sci/embedded-malicious-code-vulnerability-unitronics-vision1210
ADVISORYhttps://www.hackplayers.com/2023/07/vulnerabilidad-vision1210-unitronics.html
ADVISORYhttps://www.incibe.es/en/incibe-cert/notices/aviso-sci/embedded-malicious-code-vulnerability-unitronics-vision1210

All References (4)

→
https://www.hackplayers.com/2023/07/vulnerabilidad-vision1210-unitronics.htmlThird Party Advisory
→
https://www.incibe.es/en/incibe-cert/notices/aviso-sci/embedded-malicious-code-vulnerability-unitronics-vision1210Third Party Advisory
→
https://www.hackplayers.com/2023/07/vulnerabilidad-vision1210-unitronics.htmlThird Party Advisory
→
https://www.incibe.es/en/incibe-cert/notices/aviso-sci/embedded-malicious-code-vulnerability-unitronics-vision1210Third Party Advisory

Quick Facts

CVE IDCVE-2023-2003
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-506
CISA KEVNo
Affected1 vendor(s)
PublishedJul 13, 2023

Related CVEs (CWE-506)

CVE-2026-28353
10.0
CVE-2024-3094
10.0
CVE-2026-48027
KEV9.8
CVE-2026-34424
KEV9.8
CVE-2017-16128
9.8
CVE-2026-6443
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-2003 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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