CVE-2023-50306

MEDIUMNVD 4.04.0—

4.0

IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy. IBM X-Force ID: 273337.

CVSS v3: 4.0
EG Score: 4.0(medium)
EPSS: 5.8%
KEV: Not listed

Published

February 20, 2024

Last Modified

February 12, 2025

References (4)

psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/273337
psirt@ushttps://www.ibm.com/support/pages/node/7120660
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/273337
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/7120660

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 08:13 UTCEG score recompute
2026-05-24 08:13 UTCGHSA enrichment
2026-05-23 23:25 UTCOSV refresh

Frequently asked(5)

What is CVE-2023-50306?

CVE-2023-50306 is a medium vulnerability published on February 20, 2024. IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy. IBM X-Force ID: 273337.

When was CVE-2023-50306 disclosed?

CVE-2023-50306 was first published in the National Vulnerability Database on February 20, 2024, with the most recent update on February 12, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-50306 actively exploited?

CVE-2023-50306 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-50306?

CVE-2023-50306 has a CVSS v3 base score of 4.0 (NVD).

How do I remediate CVE-2023-50306?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-50306, 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-2023-50306

📅 Published

🔄 Last Modified

🔗 References (4)