Cyber Resilience

CVE-2023-1966

High

Published: 28 April 2023

Published
28 April 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.4 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0032 55.4th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-1966 is a high-severity Execution with Unnecessary Privileges (CWE-250) vulnerability in Illumina Nextseq 550Dx Firmware. Its CVSS base score is 7.4 (High).

Operationally, ranked in the top 44.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

access sensitive data on the affected product.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

illumina
iscan firmware
4.0.0, 4.0.5
illumina
iseq 100 firmware
all versions
illumina
miniseq firmware
≥ 2.0
illumina
miseq firmware
≥ 4.0
illumina
miseqdx firmware
4.0 · ≥ 4.0.1
illumina
nextseq 500 firmware
4.0
illumina
nextseq 550 firmware
4.0
illumina
nextseq 550dx firmware
4.0 · 1.0.0 — 1.3.1 · ≥ 1.3.3
illumina
nextseq 1000 firmware
1.4.1
illumina
nextseq 2000 firmware
1.4.1
+1 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-269 CWE-250

Policy addresses roles, responsibilities, and privilege management to prevent improper privilege assignments.

addresses: CWE-269 CWE-250

Access supervision ensures privileges are assigned and managed without improper escalation or retention.

addresses: CWE-269 CWE-250

Assigning group/role memberships and access authorizations (privileges) while reviewing accounts addresses improper privilege management.

addresses: CWE-250 CWE-269

Separation of duties prevents any single user from holding all privileges needed to complete a critical task, directly reducing execution with unnecessary privileges.

addresses: CWE-250 CWE-269

Directly prevents execution with more privileges than needed for assigned tasks.

addresses: CWE-250 CWE-269

Role-based training on least privilege principles reduces the chance personnel assign or retain unnecessary privileges.

addresses: CWE-250 CWE-269

Analysis of audit records can identify execution with unnecessary privileges through unusual activity patterns.

addresses: CWE-269 CWE-250

Terminating and reviewing connections manages privileges associated with internal interfaces.

References