CVE-2023-40594 (GCVE-0-2023-40594)
Vulnerability from cvelistv5 – Published: 2023-08-30 16:19 – Updated: 2025-02-28 11:03
VLAI
EPSS
VEX
Title
Denial of Service (DoS) via the ‘printf’ Search Function
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-08 13:06 UTC
CWE
- CWE-400 - The software does not properly control the allocation and maintenance of a limited resource thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Splunk | Splunk Enterprise |
Affected:
8.2 , < 8.2.12
(custom)
Affected: 9.0 , < 9.0.6 (custom) Affected: 9.1 , < 9.1.1 (custom) |
guessed | |
| Splunk | Splunk Cloud |
Affected:
- , < 9.0.2303.100
(custom)
|
guessed |
Date Public
2023-08-30 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T18:38:50.464Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"tags": [
"x_transferred"
],
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-40594",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-08T13:06:09.286043Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-03T19:41:36.393Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Splunk Enterprise",
"vendor": "Splunk",
"versions": [
{
"lessThan": "8.2.12",
"status": "affected",
"version": "8.2",
"versionType": "custom"
},
{
"lessThan": "9.0.6",
"status": "affected",
"version": "9.0",
"versionType": "custom"
},
{
"lessThan": "9.1.1",
"status": "affected",
"version": "9.1",
"versionType": "custom"
}
]
},
{
"product": "Splunk Cloud",
"vendor": "Splunk",
"versions": [
{
"lessThan": "9.0.2303.100",
"status": "affected",
"version": "-",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Danylo Dmytriiev (DDV_UA)"
}
],
"datePublic": "2023-08-30T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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."
}
],
"value": "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."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "The software does not properly control the allocation and maintenance of a limited resource thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-02-28T11:03:47.517Z",
"orgId": "42b59230-ec95-491e-8425-5a5befa1a469",
"shortName": "Splunk"
},
"references": [
{
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
}
],
"source": {
"advisory": "SVD-2023-0803"
},
"title": "Denial of Service (DoS) via the \u2018printf\u2019 Search Function"
}
},
"cveMetadata": {
"assignerOrgId": "42b59230-ec95-491e-8425-5a5befa1a469",
"assignerShortName": "Splunk",
"cveId": "CVE-2023-40594",
"datePublished": "2023-08-30T16:19:40.677Z",
"dateReserved": "2023-08-16T22:07:52.838Z",
"dateUpdated": "2025-02-28T11:03:47.517Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-40594",
"date": "2026-09-28",
"epss": "0.00399",
"percentile": "0.31456"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "21F6F824-393F-424F-85DF-CD3FCB40452F",
"versionEndExcluding": "8.2.12",
"versionStartIncluding": "8.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "74A23E71-6A34-48A5-8087-B626BED870E0",
"versionEndExcluding": "9.0.6",
"versionStartIncluding": "9.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:splunk:splunk:9.1.0:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "A4F2BC82-AD4C-4D80-8200-C2371E7C04F1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A2A0FF7F-1171-42D4-A27B-689541F4BC32",
"versionEndIncluding": "9.0.2305.100",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"id": "CVE-2023-40594",
"lastModified": "2024-11-21T08:19:47.267",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.0,
"impactScore": 4.0,
"source": "prodsec@splunk.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-08-30T17:15:09.940",
"references": [
{
"source": "prodsec@splunk.com",
"tags": [
"Vendor Advisory"
],
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"source": "prodsec@splunk.com",
"tags": [
"Vendor Advisory"
],
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
}
],
"sourceIdentifier": "prodsec@splunk.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "prodsec@splunk.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "Splunk Enterprise",
"vendor": "Splunk",
"versions": [
{
"lessThan": "8.2.12",
"status": "affected",
"version": "8.2",
"versionType": "custom"
},
{
"lessThan": "9.0.6",
"status": "affected",
"version": "9.0",
"versionType": "custom"
},
{
"lessThan": "9.1.1",
"status": "affected",
"version": "9.1",
"versionType": "custom"
}
]
},
{
"product": "Splunk Cloud",
"vendor": "Splunk",
"versions": [
{
"lessThan": "9.0.2303.100",
"status": "affected",
"version": "-",
"versionType": "custom"
}
]
}
],
"source": "prodsec@splunk.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "21F6F824-393F-424F-85DF-CD3FCB40452F",
"versionEndExcluding": "8.2.12",
"versionStartIncluding": "8.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "74A23E71-6A34-48A5-8087-B626BED870E0",
"versionEndExcluding": "9.0.6",
"versionStartIncluding": "9.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:splunk:splunk:9.1.0:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "A4F2BC82-AD4C-4D80-8200-C2371E7C04F1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A2A0FF7F-1171-42D4-A27B-689541F4BC32",
"versionEndIncluding": "9.0.2305.100",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "En versiones de Splunk Enterprise inferiores a 8.2.12, 9.0.6 y 9.1.1, un atacante puede usar la funci\u00f3n SPL \u0027printf\u0027 para realizar una denegaci\u00f3n de servicio (DoS) contra la instancia de Splunk Enterprise."
}
],
"id": "CVE-2023-40594",
"lastModified": "2026-06-17T06:18:37.810",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.0,
"impactScore": 4.0,
"source": "prodsec@splunk.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-40594",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-08T13:06:09.286043Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-08-30T17:15:09.940",
"references": [
{
"source": "prodsec@splunk.com",
"tags": [
"Vendor Advisory"
],
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"source": "prodsec@splunk.com",
"tags": [
"Vendor Advisory"
],
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
}
],
"sourceIdentifier": "prodsec@splunk.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "prodsec@splunk.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T18:38:50.464Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"tags": [
"x_transferred"
],
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-40594",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-08T13:06:09.286043Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-03T19:41:33.679Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Splunk Enterprise",
"vendor": "Splunk",
"versions": [
{
"lessThan": "8.2.12",
"status": "affected",
"version": "8.2",
"versionType": "custom"
},
{
"lessThan": "9.0.6",
"status": "affected",
"version": "9.0",
"versionType": "custom"
},
{
"lessThan": "9.1.1",
"status": "affected",
"version": "9.1",
"versionType": "custom"
}
]
},
{
"product": "Splunk Cloud",
"vendor": "Splunk",
"versions": [
{
"lessThan": "9.0.2303.100",
"status": "affected",
"version": "-",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Danylo Dmytriiev (DDV_UA)"
}
],
"datePublic": "2023-08-30T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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."
}
],
"value": "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."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "The software does not properly control the allocation and maintenance of a limited resource thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-02-28T11:03:47.517Z",
"orgId": "42b59230-ec95-491e-8425-5a5befa1a469",
"shortName": "Splunk"
},
"references": [
{
"url": "https://advisory.splunk.com/advisories/SVD-2023-0803"
},
{
"url": "https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/"
}
],
"source": {
"advisory": "SVD-2023-0803"
},
"title": "Denial of Service (DoS) via the \u2018printf\u2019 Search Function"
}
},
"cveMetadata": {
"assignerOrgId": "42b59230-ec95-491e-8425-5a5befa1a469",
"assignerShortName": "Splunk",
"cveId": "CVE-2023-40594",
"datePublished": "2023-08-30T16:19:40.677Z",
"dateReserved": "2023-08-16T22:07:52.838Z",
"dateUpdated": "2025-02-28T11:03:47.517Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…