CVE-2023-27283

MEDIUMNVD 5.35.3—Elevated

5.3

IBM Aspera Orchestrator 4.0.1 could allow a remote attacker to enumerate usernames due to observable response discrepancies. IBM X-Force ID: 248545.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 16.6%
KEV: Not listed

Published

May 4, 2024

Last Modified

January 7, 2025

References (4)

psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/248545
psirt@ushttps://www.ibm.com/support/pages/node/7150191
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/248545
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/7150191

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× 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
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2026-05-26 07:17 UTCepss_batch
2026-05-24 02:55 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-27283?

CVE-2023-27283 is a medium vulnerability published on May 4, 2024. IBM Aspera Orchestrator 4.0.1 could allow a remote attacker to enumerate usernames due to observable response discrepancies. IBM X-Force ID: 248545.

When was CVE-2023-27283 disclosed?

CVE-2023-27283 was first published in the National Vulnerability Database on May 4, 2024, with the most recent update on January 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-27283 actively exploited?

CVE-2023-27283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-27283?

CVE-2023-27283 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2023-27283?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27283, 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-2023-27283

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-27283?

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Published

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References (4)

Frequently asked(5)

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