Description
Instruments with Illumina Universal Copy Service v2.x are vulnerable due to binding to an unrestricted IP address. An unauthenticated malicious actor could use UCS to listen on all IP addresses, including those capable of accepting remote communications.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 3.1 | Critical10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.
Weakness
Affected products
Illumina · iScan Control Software
- affected 4.0.0
- affected 4.0.5
Illumina · MiniSeq Control Software
- affected 2.0
- affected All versions
Illumina · MiSeq Control Software
- affected 4.0 (RUO Mode)
Illumina · MiSeqDx Operating Software
- affected 4.0.1
Illumina · NextSeq 500/550 Control Software
- affected 4.0
Illumina · NextSeq 550Dx Control Software
- affected 4.0 (RUO Mode)
Illumina · NextSeq 550Dx Operating Software
- affected 1.0.0 – ≤ 1.3.1
- affected 1.3.3
Illumina · NextSeq 1000/2000 Control Software
- affected ≤ 1.4.1
Illumina · NovaSeq 6000 Control Software
- affected ≤ 1.7
Illumina · NovaSeq Control Software
- affected 1.8
What to do
Workaround: Illumina recommends using the UCS Vulnerability Instructions Guide https://support.illumina.com/downloads/illumina-universal-copy-service-1-0.html based on the user’s specific system configuration to mitigate the vulnerabilities. Illumina recommends users read the instructions before downloading any software.
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-1968)Record last updated .