HOMEVULNERABILITIESCVE-2023-1966
CRITICAL

CVE-2023-1966

CWE-250Published: April 28, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Instruments with Illumina Universal Copy Service v1.x and

v2.x contain an unnecessary privileges vulnerability. An unauthenticated

malicious actor could upload and execute code remotely at the operating system

level, which could allow an attacker to change settings, configurations,

software, or access sensitive data on the affected product.

NVD Source

Technical Analysis

CVE-2023-1966 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

illumina22 product(s)
iscan firmwareiscaniseq 100 firmwareiseq 100miniseq firmwareminiseqmiseq firmwaremiseqmiseqdx firmwaremiseqdxnextseq 500 firmwarenextseq 500+10
Source: NVD CPE · 26 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://support.illumina.com/downloads/illumina-universal-copy-service-1-0.html
ADVISORYhttps://www.cisa.gov/news-events/ics-medical-advisories/icsma-23-117-01
ADVISORYhttps://support.illumina.com/downloads/illumina-universal-copy-service-1-0.html
ADVISORYhttps://www.cisa.gov/news-events/ics-medical-advisories/icsma-23-117-01

All References (4)

→
https://support.illumina.com/downloads/illumina-universal-copy-service-1-0.htmlVendor Advisory
→
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-23-117-01Third Party Advisory · US Government Resource
→
https://support.illumina.com/downloads/illumina-universal-copy-service-1-0.htmlVendor Advisory
→
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-23-117-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2023-1966
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-250
CISA KEVNo
Affected1 vendor(s)
PublishedApr 28, 2023

Related CVEs (CWE-250)

CVE-2026-4606
10.0
CVE-2026-50566
9.9
CVE-2025-32445
9.9
CVE-2024-8767
9.9
CVE-2026-48584
9.9
CVE-2026-25212
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-1966 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. CVE data is provided under the NVD usage policy.
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