CVE-2025-36520 (GCVE-0-2025-36520)

Vulnerability from cvelistv5 – Published: 2025-07-22 15:26 – Updated: 2025-11-03 19:54
VLAI?
Summary
A null pointer dereference vulnerability exists in the net_connectmsg Protocol Buffer Message functionality of Bloomberg Comdb2 8.1. A specially crafted network packets can lead to a denial of service. An attacker can send packets to trigger this vulnerability.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Bloomberg Comdb2 Affected: 8.1
Create a notification for this product.
Credits
Discovered by a member of Cisco Talos.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-36520",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-23T15:03:19.265923Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-23T15:03:21.850Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:54:06.828Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2197"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Comdb2",
          "vendor": "Bloomberg",
          "versions": [
            {
              "status": "affected",
              "version": "8.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by a member of Cisco Talos."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A null pointer dereference vulnerability exists in the net_connectmsg Protocol Buffer Message functionality of Bloomberg Comdb2 8.1. A specially crafted network packets can lead to a denial of service. An attacker can send packets to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476: NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-22T15:26:34.557Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197",
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2025-36520",
    "datePublished": "2025-07-22T15:26:34.557Z",
    "dateReserved": "2025-05-22T16:04:44.782Z",
    "dateUpdated": "2025-11-03T19:54:06.828Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-36520\",\"sourceIdentifier\":\"talos-cna@cisco.com\",\"published\":\"2025-07-22T16:15:27.320\",\"lastModified\":\"2025-11-03T20:18:30.607\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A null pointer dereference vulnerability exists in the net_connectmsg Protocol Buffer Message functionality of Bloomberg Comdb2 8.1. A specially crafted network packets can lead to a denial of service. An attacker can send packets to trigger this vulnerability.\"},{\"lang\":\"es\",\"value\":\"Existe una vulnerabilidad de desreferencia de puntero nulo en la funcionalidad de mensajes de b\u00fafer de protocolo net_connectmsg de Bloomberg Comdb2 8.1. Un paquete de red especialmente manipulado puede provocar una denegaci\u00f3n de servicio. Un atacante puede enviar paquetes para activar esta vulnerabilidad.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"talos-cna@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"talos-cna@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:bloomberg:comdb2:8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B7BA78E-2D63-4122-BD8D-B3BBCD719556\"}]}]}],\"references\":[{\"url\":\"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197\",\"source\":\"talos-cna@cisco.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2197\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2197\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T19:54:06.828Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-36520\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-07-23T15:03:19.265923Z\"}}}], \"references\": [{\"url\": \"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-07-23T15:03:14.200Z\"}}], \"cna\": {\"credits\": [{\"lang\": \"en\", \"value\": \"Discovered by a member of Cisco Talos.\"}], \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Bloomberg\", \"product\": \"Comdb2\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.1\"}]}], \"references\": [{\"url\": \"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197\", \"name\": \"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A null pointer dereference vulnerability exists in the net_connectmsg Protocol Buffer Message functionality of Bloomberg Comdb2 8.1. A specially crafted network packets can lead to a denial of service. An attacker can send packets to trigger this vulnerability.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476: NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b\", \"shortName\": \"talos\", \"dateUpdated\": \"2025-07-22T15:26:34.557Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-36520\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T19:54:06.828Z\", \"dateReserved\": \"2025-05-22T16:04:44.782Z\", \"assignerOrgId\": \"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b\", \"datePublished\": \"2025-07-22T15:26:34.557Z\", \"assignerShortName\": \"talos\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.