CVE-2023-3271

HIGHNVD 8.28.2—

8.2

Improper Access Control in the SICK ICR890-4 could allow an unauthenticated remote attacker to gather information about the system and download data via the REST API by accessing unauthenticated endpoints.

CVSS v3: 8.2
EG Score: 8.2(medium)
EPSS: 49.6%
KEV: Not listed

Published

July 10, 2023

Last Modified

June 1, 2026

References (6)

psirt@sickhttps://sick.com/.well-known/csaf/white/2023/sca-2023-0006.json
psirt@sickhttps://sick.com/.well-known/csaf/white/2023/sca-2023-0006.pdf
psirt@sickhttps://sick.com/psirt
af854a3a-2127-422b-91ae-364da2661108https://sick.com/.well-known/csaf/white/2023/sca-2023-0006.json
af854a3a-2127-422b-91ae-364da2661108https://sick.com/.well-known/csaf/white/2023/sca-2023-0006.pdf
af854a3a-2127-422b-91ae-364da2661108https://sick.com/psirt

Vendor Advisories for CVE-2023-3271(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-fm49-53h8-h7vg
GitHub Security AdvisoriesHigh
Improper Access Control in the SICK ICR890-4 could allow an unauthenticated remote attacker to...

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-284Improper Access Control

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:09 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-3271?

CVE-2023-3271 is a high vulnerability published on July 10, 2023. Improper Access Control in the SICK ICR890-4 could allow an unauthenticated remote attacker to gather information about the system and download data via the REST API by accessing unauthenticated endpoints.

When was CVE-2023-3271 disclosed?

CVE-2023-3271 was first published in the National Vulnerability Database on July 10, 2023, with the most recent update on June 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-3271 actively exploited?

CVE-2023-3271 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-3271?

CVE-2023-3271 has a CVSS v3 base score of 8.2 (NVD).

How do I remediate CVE-2023-3271?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3271, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-3271

📅 Published

🔄 Last Modified

🔗 References (6)

📣 Vendor Advisories for CVE-2023-3271(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)