CVE-2023-4509

MEDIUMNVD 4.34.3—

4.3

It is possible for an API key to be logged in clear text in the audit log file after an invalid login attempt.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 30.8%
KEV: Not listed

Published

April 18, 2024

Last Modified

July 2, 2025

References (2)

security@octopushttps://advisories.octopus.com/post/2024/sa2024-02/
af854a3a-2127-422b-91ae-364da2661108https://advisories.octopus.com/post/2024/sa2024-02/

Weakness Classification(1)

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

CWE-319Cleartext Transmission of Sensitive Information

Data Freshness Timeline

(refreshed 10× in last 7d / 19× 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
2026-05-23 10:23 UTCEG score recompute
2026-05-23 10:23 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-4509?

CVE-2023-4509 is a medium vulnerability published on April 18, 2024. It is possible for an API key to be logged in clear text in the audit log file after an invalid login attempt.

When was CVE-2023-4509 disclosed?

CVE-2023-4509 was first published in the National Vulnerability Database on April 18, 2024, with the most recent update on July 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-4509 actively exploited?

CVE-2023-4509 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-4509?

CVE-2023-4509 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2023-4509?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4509, 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-2023-4509

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-4509?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)