CVE-2024-20351 (GCVE-0-2024-20351)

Vulnerability from cvelistv5 – Published: 2024-10-23 17:09 – Updated: 2024-10-24 15:06
VLAI?
Summary
A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense (FTD) Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of TCP/IP network traffic. An attacker could exploit this vulnerability by sending a large amount of TCP/IP network traffic through the affected device. A successful exploit could allow the attacker to cause the Cisco FTD device to drop network traffic, resulting in a DoS condition. The affected device must be rebooted to resolve the DoS condition.
Severity ?
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco Firepower Threat Defense Software Affected: 6.2.3.14
Affected: 6.4.0.1
Affected: 6.2.3.7
Affected: 6.2.3
Affected: 6.4.0.2
Affected: 6.2.3.9
Affected: 6.2.3.1
Affected: 6.2.3.2
Affected: 6.4.0.5
Affected: 6.2.3.10
Affected: 6.4.0
Affected: 6.4.0.3
Affected: 6.2.3.6
Affected: 6.4.0.4
Affected: 6.2.3.15
Affected: 6.2.3.5
Affected: 6.2.3.4
Affected: 6.2.3.3
Affected: 6.2.3.8
Affected: 6.4.0.6
Affected: 6.2.3.11
Affected: 6.2.3.12
Affected: 6.2.3.13
Affected: 6.4.0.7
Affected: 6.4.0.8
Affected: 6.6.0
Affected: 6.4.0.9
Affected: 6.2.3.16
Affected: 6.6.0.1
Affected: 6.6.1
Affected: 6.4.0.10
Affected: 6.7.0
Affected: 6.4.0.11
Affected: 6.6.3
Affected: 6.7.0.1
Affected: 6.6.4
Affected: 6.4.0.12
Affected: 6.7.0.2
Affected: 7.0.0
Affected: 6.2.3.17
Affected: 7.0.0.1
Affected: 6.6.5
Affected: 7.0.1
Affected: 7.1.0
Affected: 6.4.0.13
Affected: 6.6.5.1
Affected: 6.2.3.18
Affected: 7.0.1.1
Affected: 6.7.0.3
Affected: 6.4.0.14
Affected: 7.1.0.1
Affected: 6.6.5.2
Affected: 7.0.2
Affected: 6.4.0.15
Affected: 7.2.0
Affected: 7.0.2.1
Affected: 7.0.3
Affected: 6.6.7
Affected: 7.1.0.2
Affected: 7.2.0.1
Affected: 7.0.4
Affected: 7.2.1
Affected: 7.0.5
Affected: 6.4.0.16
Affected: 7.3.0
Affected: 7.2.2
Affected: 7.2.3
Affected: 6.6.7.1
Affected: 7.3.1
Affected: 7.1.0.3
Affected: 7.2.4
Affected: 7.0.6
Affected: 7.2.5
Affected: 7.2.4.1
Affected: 7.3.1.1
Affected: 7.4.0
Affected: 6.4.0.17
Affected: 7.0.6.1
Affected: 7.2.5.1
Affected: 7.4.1
Affected: 7.4.1.1
Affected: 6.6.7.2
Affected: 6.4.0.18
Affected: 7.2.5.2
Affected: 7.3.1.2
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        },
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          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO"
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        "discovery": "EXTERNAL"
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      "title": "Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability"
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    "assignerShortName": "cisco",
    "cveId": "CVE-2024-20351",
    "datePublished": "2024-10-23T17:09:35.988Z",
    "dateReserved": "2023-11-08T15:08:07.647Z",
    "dateUpdated": "2024-10-24T15:06:48.437Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense (FTD) Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service (DoS) condition.\\r\\n\\r\\nThis vulnerability is due to the improper handling of TCP/IP network traffic. An attacker could exploit this vulnerability by sending a large amount of TCP/IP network traffic through the affected device. A successful exploit could allow the attacker to cause the Cisco FTD device to drop network traffic, resulting in a DoS condition. The affected device must be rebooted to resolve the DoS condition.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad en la funci\\u00f3n de manejo de tr\\u00e1fico TCP/IP del motor de detecci\\u00f3n Snort del software Cisco Firepower Threat Defense (FTD) y los servicios Cisco FirePOWER podr\\u00eda permitir que un atacante remoto no autenticado provoque la p\\u00e9rdida de tr\\u00e1fico leg\\u00edtimo de la red, lo que dar\\u00eda lugar a una condici\\u00f3n de denegaci\\u00f3n de servicio (DoS). Esta vulnerabilidad se debe a un manejo inadecuado del tr\\u00e1fico de red TCP/IP. Un atacante podr\\u00eda aprovechar esta vulnerabilidad enviando una gran cantidad de tr\\u00e1fico de red TCP/IP a trav\\u00e9s del dispositivo afectado. Una explotaci\\u00f3n exitosa podr\\u00eda permitir al atacante hacer que el dispositivo Cisco FTD pierda tr\\u00e1fico de red, lo que dar\\u00eda lugar a una condici\\u00f3n de denegaci\\u00f3n de servicio (DoS). El dispositivo afectado debe reiniciarse para resolver la condici\\u00f3n de denegaci\\u00f3n de servicio.\"}]",
      "id": "CVE-2024-20351",
      "lastModified": "2024-10-25T12:56:36.827",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"ykramarz@cisco.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"baseScore\": 8.6, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 4.0}]}",
      "published": "2024-10-23T17:15:18.913",
      "references": "[{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-xss-yjj7ZjVq\", \"source\": \"ykramarz@cisco.com\"}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO\", \"source\": \"ykramarz@cisco.com\"}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sa-ftd-snort-fw-BCJTZPMu\", \"source\": \"ykramarz@cisco.com\"}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75300\", \"source\": \"ykramarz@cisco.com\"}]",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-20351\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2024-10-23T17:15:18.913\",\"lastModified\":\"2025-08-11T14:31:33.877\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense (FTD) Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service (DoS) condition.\\r\\n\\r\\nThis vulnerability is due to the improper handling of TCP/IP network traffic. An attacker could exploit this vulnerability by sending a large amount of TCP/IP network traffic through the affected device. A successful exploit could allow the attacker to cause the Cisco FTD device to drop network traffic, resulting in a DoS condition. The affected device must be rebooted to resolve the DoS condition.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la funci\u00f3n de manejo de tr\u00e1fico TCP/IP del motor de detecci\u00f3n Snort del software Cisco Firepower Threat Defense (FTD) y los servicios Cisco FirePOWER podr\u00eda permitir que un atacante remoto no autenticado provoque la p\u00e9rdida de tr\u00e1fico leg\u00edtimo de la red, lo que dar\u00eda lugar a una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad se debe a un manejo inadecuado del tr\u00e1fico de red TCP/IP. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando una gran cantidad de tr\u00e1fico de red TCP/IP a trav\u00e9s del dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante hacer que el dispositivo Cisco FTD pierda tr\u00e1fico de red, lo que dar\u00eda lugar a una condici\u00f3n de denegaci\u00f3n de servicio (DoS). El dispositivo afectado debe reiniciarse para resolver la condici\u00f3n de denegaci\u00f3n de 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Link\"]},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO\",\"source\":\"psirt@cisco.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sa-ftd-snort-fw-BCJTZPMu\",\"source\":\"psirt@cisco.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75300\",\"source\":\"psirt@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-20351\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-23T18:42:44.444145Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*\"], \"vendor\": \"cisco\", \"product\": \"firepower_threat_defense_software\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.2.3\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.4.1.1\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-24T15:06:24.506Z\"}}], \"cna\": {\"title\": \"Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability\", \"source\": {\"defects\": [\"CSCwh14067\"], \"advisory\": \"cisco-sa-sa-ftd-snort-fw-BCJTZPMu\", \"discovery\": \"EXTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.6, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco Firepower Threat Defense Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.2.3.14\"}, {\"status\": \"affected\", \"version\": \"6.4.0.1\"}, {\"status\": \"affected\", \"version\": \"6.2.3.7\"}, {\"status\": \"affected\", \"version\": \"6.2.3\"}, {\"status\": \"affected\", \"version\": \"6.4.0.2\"}, {\"status\": \"affected\", \"version\": \"6.2.3.9\"}, {\"status\": \"affected\", \"version\": \"6.2.3.1\"}, {\"status\": \"affected\", \"version\": \"6.2.3.2\"}, {\"status\": \"affected\", \"version\": \"6.4.0.5\"}, {\"status\": \"affected\", \"version\": \"6.2.3.10\"}, {\"status\": \"affected\", \"version\": \"6.4.0\"}, {\"status\": \"affected\", \"version\": \"6.4.0.3\"}, {\"status\": \"affected\", \"version\": \"6.2.3.6\"}, {\"status\": \"affected\", \"version\": \"6.4.0.4\"}, {\"status\": \"affected\", \"version\": \"6.2.3.15\"}, {\"status\": \"affected\", \"version\": \"6.2.3.5\"}, {\"status\": \"affected\", \"version\": \"6.2.3.4\"}, {\"status\": \"affected\", \"version\": \"6.2.3.3\"}, {\"status\": \"affected\", \"version\": \"6.2.3.8\"}, {\"status\": \"affected\", \"version\": \"6.4.0.6\"}, {\"status\": \"affected\", \"version\": \"6.2.3.11\"}, {\"status\": \"affected\", \"version\": \"6.2.3.12\"}, {\"status\": \"affected\", \"version\": \"6.2.3.13\"}, {\"status\": \"affected\", \"version\": \"6.4.0.7\"}, {\"status\": \"affected\", \"version\": \"6.4.0.8\"}, {\"status\": \"affected\", \"version\": \"6.6.0\"}, {\"status\": \"affected\", \"version\": \"6.4.0.9\"}, {\"status\": \"affected\", \"version\": \"6.2.3.16\"}, {\"status\": \"affected\", \"version\": \"6.6.0.1\"}, {\"status\": \"affected\", \"version\": \"6.6.1\"}, {\"status\": \"affected\", \"version\": \"6.4.0.10\"}, {\"status\": \"affected\", \"version\": \"6.7.0\"}, {\"status\": \"affected\", \"version\": \"6.4.0.11\"}, {\"status\": \"affected\", \"version\": \"6.6.3\"}, {\"status\": \"affected\", \"version\": \"6.7.0.1\"}, {\"status\": \"affected\", \"version\": \"6.6.4\"}, {\"status\": \"affected\", \"version\": \"6.4.0.12\"}, {\"status\": \"affected\", \"version\": \"6.7.0.2\"}, {\"status\": \"affected\", \"version\": \"7.0.0\"}, {\"status\": \"affected\", \"version\": \"6.2.3.17\"}, {\"status\": \"affected\", \"version\": \"7.0.0.1\"}, {\"status\": \"affected\", \"version\": \"6.6.5\"}, {\"status\": \"affected\", \"version\": \"7.0.1\"}, {\"status\": \"affected\", \"version\": \"7.1.0\"}, {\"status\": \"affected\", \"version\": \"6.4.0.13\"}, {\"status\": \"affected\", \"version\": \"6.6.5.1\"}, {\"status\": \"affected\", \"version\": \"6.2.3.18\"}, {\"status\": \"affected\", \"version\": \"7.0.1.1\"}, {\"status\": \"affected\", \"version\": \"6.7.0.3\"}, {\"status\": \"affected\", \"version\": \"6.4.0.14\"}, {\"status\": \"affected\", \"version\": \"7.1.0.1\"}, {\"status\": \"affected\", \"version\": \"6.6.5.2\"}, {\"status\": \"affected\", \"version\": \"7.0.2\"}, {\"status\": \"affected\", \"version\": \"6.4.0.15\"}, {\"status\": \"affected\", \"version\": \"7.2.0\"}, {\"status\": \"affected\", \"version\": \"7.0.2.1\"}, {\"status\": \"affected\", \"version\": \"7.0.3\"}, {\"status\": \"affected\", \"version\": \"6.6.7\"}, {\"status\": \"affected\", \"version\": \"7.1.0.2\"}, {\"status\": \"affected\", \"version\": \"7.2.0.1\"}, {\"status\": \"affected\", \"version\": \"7.0.4\"}, {\"status\": \"affected\", \"version\": \"7.2.1\"}, {\"status\": \"affected\", \"version\": \"7.0.5\"}, {\"status\": \"affected\", \"version\": \"6.4.0.16\"}, {\"status\": \"affected\", \"version\": \"7.3.0\"}, {\"status\": \"affected\", \"version\": \"7.2.2\"}, {\"status\": \"affected\", \"version\": \"7.2.3\"}, {\"status\": \"affected\", \"version\": \"6.6.7.1\"}, {\"status\": \"affected\", \"version\": \"7.3.1\"}, {\"status\": \"affected\", \"version\": \"7.1.0.3\"}, {\"status\": \"affected\", \"version\": \"7.2.4\"}, {\"status\": \"affected\", \"version\": \"7.0.6\"}, {\"status\": \"affected\", \"version\": \"7.2.5\"}, {\"status\": \"affected\", \"version\": \"7.2.4.1\"}, {\"status\": \"affected\", \"version\": \"7.3.1.1\"}, {\"status\": \"affected\", \"version\": \"7.4.0\"}, {\"status\": \"affected\", \"version\": \"6.4.0.17\"}, {\"status\": \"affected\", \"version\": \"7.0.6.1\"}, {\"status\": \"affected\", \"version\": \"7.2.5.1\"}, {\"status\": \"affected\", \"version\": \"7.4.1\"}, {\"status\": \"affected\", \"version\": \"7.4.1.1\"}, {\"status\": \"affected\", \"version\": \"6.6.7.2\"}, {\"status\": \"affected\", \"version\": \"6.4.0.18\"}, {\"status\": \"affected\", \"version\": \"7.2.5.2\"}, {\"status\": \"affected\", \"version\": \"7.3.1.2\"}], \"defaultStatus\": \"unknown\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sa-ftd-snort-fw-BCJTZPMu\", \"name\": \"cisco-sa-sa-ftd-snort-fw-BCJTZPMu\"}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO\", \"name\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO\"}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75300\", \"name\": \"Cisco Event Response: October 2024 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication\"}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-xss-yjj7ZjVq\", \"name\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-xss-yjj7ZjVq\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense (FTD) Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service (DoS) condition.\\r\\n\\r\\nThis vulnerability is due to the improper handling of TCP/IP network traffic. An attacker could exploit this vulnerability by sending a large amount of TCP/IP network traffic through the affected device. A successful exploit could allow the attacker to cause the Cisco FTD device to drop network traffic, resulting in a DoS condition. The affected device must be rebooted to resolve the DoS condition.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-400\", \"description\": \"Uncontrolled Resource Consumption\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2024-10-23T17:09:35.988Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-20351\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-24T15:06:48.437Z\", \"dateReserved\": \"2023-11-08T15:08:07.647Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2024-10-23T17:09:35.988Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.