GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-40595 (GCVE-0-2023-40595)

Vulnerability from cvelistv5 – Published: 2023-08-30 16:19 – Updated: 2025-02-28 11:03
VLAI
Title
Remote Code Execution via Serialized Session Payload
Summary
In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary code.
CWE
  • CWE-502 - The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
Assigner
Impacted 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 Create a notification for this product.
Splunk Splunk Cloud Affected: - , < 9.0.2305.200 (custom)
guessed Create a notification for this product.
Date Public
2023-08-30 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T18:38:50.989Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://advisory.splunk.com/advisories/SVD-2023-0804"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://research.splunk.com/application/d1d8fda6-874a-400f-82cf-dcbb59d8e4db/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "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": "9.0.2305.200",
              "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 execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary code."
            }
          ],
          "value": "In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary code."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-02-28T11:03:49.175Z",
        "orgId": "42b59230-ec95-491e-8425-5a5befa1a469",
        "shortName": "Splunk"
      },
      "references": [
        {
          "url": "https://advisory.splunk.com/advisories/SVD-2023-0804"
        },
        {
          "url": "https://research.splunk.com/application/d1d8fda6-874a-400f-82cf-dcbb59d8e4db/"
        }
      ],
      "source": {
        "advisory": "SVD-2023-0804"
      },
      "title": "Remote Code Execution via Serialized Session Payload"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "42b59230-ec95-491e-8425-5a5befa1a469",
    "assignerShortName": "Splunk",
    "cveId": "CVE-2023-40595",
    "datePublished": "2023-08-30T16:19:29.761Z",
    "dateReserved": "2023-08-16T22:07:52.838Z",
    "dateUpdated": "2025-02-28T11:03:49.175Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-40595",
      "date": "2026-09-16",
      "epss": "0.00901",
      "percentile": "0.57933"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"8.2.0\", \"versionEndExcluding\": \"8.2.12\", \"matchCriteriaId\": \"21F6F824-393F-424F-85DF-CD3FCB40452F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"9.0.0\", \"versionEndExcluding\": \"9.0.6\", \"matchCriteriaId\": \"74A23E71-6A34-48A5-8087-B626BED870E0\"}, {\"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:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"9.0.2305.100\", \"matchCriteriaId\": \"A2A0FF7F-1171-42D4-A27B-689541F4BC32\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary code.\"}]",
      "id": "CVE-2023-40595",
      "lastModified": "2024-11-21T08:19:47.410",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"prodsec@splunk.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.9}]}",
      "published": "2023-08-30T17:15:10.027",
      "references": "[{\"url\": \"https://advisory.splunk.com/advisories/SVD-2023-0804\", \"source\": \"prodsec@splunk.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://research.splunk.com/application/d1d8fda6-874a-400f-82cf-dcbb59d8e4db/\", \"source\": \"prodsec@splunk.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://advisory.splunk.com/advisories/SVD-2023-0804\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://research.splunk.com/application/d1d8fda6-874a-400f-82cf-dcbb59d8e4db/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "prodsec@splunk.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"prodsec@splunk.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-502\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-502\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-40595\",\"sourceIdentifier\":\"prodsec@splunk.com\",\"published\":\"2023-08-30T17:15:10.027\",\"lastModified\":\"2026-06-17T06:18:38.157\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary code.\"},{\"lang\":\"es\",\"value\":\"En versiones de Splunk Enterprise inferiores a 8.2.12, 9.0.6 y 9.1.1, un atacante puede ejecutar una consulta especialmente dise\u00f1ada que luego puede usar para serializar datos no confiables. El atacante puede usar la consulta para ejecutar c\u00f3digo arbitrario.\"}],\"affected\":[{\"source\":\"prodsec@splunk.com\",\"affectedData\":[{\"vendor\":\"Splunk\",\"product\":\"Splunk Enterprise\",\"versions\":[{\"version\":\"8.2\",\"lessThan\":\"8.2.12\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"9.0\",\"lessThan\":\"9.0.6\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"9.1\",\"lessThan\":\"9.1.1\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Splunk\",\"product\":\"Splunk Cloud\",\"versions\":[{\"version\":\"-\",\"lessThan\":\"9.0.2305.200\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"prodsec@splunk.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"prodsec@splunk.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-502\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-502\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"8.2.0\",\"versionEndExcluding\":\"8.2.12\",\"matchCriteriaId\":\"21F6F824-393F-424F-85DF-CD3FCB40452F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndExcluding\":\"9.0.6\",\"matchCriteriaId\":\"74A23E71-6A34-48A5-8087-B626BED870E0\"},{\"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:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"9.0.2305.100\",\"matchCriteriaId\":\"A2A0FF7F-1171-42D4-A27B-689541F4BC32\"}]}]}],\"references\":[{\"url\":\"https://advisory.splunk.com/advisories/SVD-2023-0804\",\"source\":\"prodsec@splunk.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://research.splunk.com/application/d1d8fda6-874a-400f-82cf-dcbb59d8e4db/\",\"source\":\"prodsec@splunk.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://advisory.splunk.com/advisories/SVD-2023-0804\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://research.splunk.com/application/d1d8fda6-874a-400f-82cf-dcbb59d8e4db/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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…

Detection rules are retrieved from Rulezet.

Loading…

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…