CVE-2023-40594

MEDIUMNVD 6.56.5—

6.5

In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can use the printf SPL function to perform a denial of service (DoS) against the Splunk Enterprise instance.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 34.2%
KEV: Not listed

Published

August 30, 2023

Last Modified

November 21, 2024

References (4)

prodsec@splunkhttps://advisory.splunk.com/advisories/SVD-2023-0803
prodsec@splunkhttps://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/
af854a3a-2127-422b-91ae-364da2661108https://advisory.splunk.com/advisories/SVD-2023-0803
af854a3a-2127-422b-91ae-364da2661108https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/

Weakness Classification(1)

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

CWE-400Uncontrolled Resource Consumption (Denial of Service)

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.

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Frequently asked(5)

What is CVE-2023-40594?

CVE-2023-40594 is a medium vulnerability published on August 30, 2023. In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can use the printf SPL function to perform a denial of service (DoS) against the Splunk Enterprise instance.

When was CVE-2023-40594 disclosed?

CVE-2023-40594 was first published in the National Vulnerability Database on August 30, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-40594 actively exploited?

CVE-2023-40594 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 34.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40594?

CVE-2023-40594 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-40594?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40594, 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-2023-40594

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-40594?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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