CVE-2024-20407 (GCVE-0-2024-20407)

Vulnerability from cvelistv5 – Published: 2024-10-23 17:36 – Updated: 2024-10-24 16:09
VLAI
Summary
A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are not affected by this vulnerability. This vulnerability is due to a logic error when handling embryonic (half-open) TCP connections. An attacker could exploit this vulnerability by sending a crafted traffic pattern through an affected device. A successful exploit could allow unintended traffic to enter the network protected by the affected device.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-23 18:45 UTC
CWE
  • CWE-399 - Resource Management Errors
Impacted products
Vendor Product Version CPE status
Cisco Cisco Firepower Threat Defense Software Affected: 6.2.3
Affected: 6.2.3.1
Affected: 6.2.3.2
Affected: 6.2.3.3
Affected: 6.2.3.4
Affected: 6.2.3.5
Affected: 6.2.3.6
Affected: 6.2.3.7
Affected: 6.2.3.8
Affected: 6.2.3.10
Affected: 6.2.3.11
Affected: 6.2.3.9
Affected: 6.2.3.12
Affected: 6.2.3.13
Affected: 6.2.3.14
Affected: 6.2.3.15
Affected: 6.2.3.16
Affected: 6.2.3.17
Affected: 6.2.3.18
Affected: 6.6.0
Affected: 6.6.0.1
Affected: 6.6.1
Affected: 6.6.3
Affected: 6.6.4
Affected: 6.6.5
Affected: 6.6.5.1
Affected: 6.6.5.2
Affected: 6.6.7
Affected: 6.6.7.1
Affected: 6.6.7.2
Affected: 6.4.0
Affected: 6.4.0.1
Affected: 6.4.0.3
Affected: 6.4.0.2
Affected: 6.4.0.4
Affected: 6.4.0.5
Affected: 6.4.0.6
Affected: 6.4.0.7
Affected: 6.4.0.8
Affected: 6.4.0.9
Affected: 6.4.0.10
Affected: 6.4.0.11
Affected: 6.4.0.12
Affected: 6.4.0.13
Affected: 6.4.0.14
Affected: 6.4.0.15
Affected: 6.4.0.16
Affected: 6.4.0.17
Affected: 6.4.0.18
Affected: 6.7.0
Affected: 6.7.0.1
Affected: 6.7.0.2
Affected: 6.7.0.3
Affected: 7.0.0
Affected: 7.0.0.1
Affected: 7.0.1
Affected: 7.0.1.1
Affected: 7.0.2
Affected: 7.0.2.1
Affected: 7.0.3
Affected: 7.0.4
Affected: 7.0.5
Affected: 7.0.6
Affected: 7.0.6.1
Affected: 7.0.6.2
Affected: 7.1.0
Affected: 7.1.0.1
Affected: 7.1.0.2
Affected: 7.1.0.3
Affected: 7.2.0
Affected: 7.2.0.1
Affected: 7.2.1
Affected: 7.2.2
Affected: 7.2.3
Affected: 7.2.4
Affected: 7.2.4.1
Affected: 7.2.5
Affected: 7.2.5.1
Affected: 7.2.6
Affected: 7.2.7
Affected: 7.2.5.2
Affected: 7.2.8
Affected: 7.2.8.1
Affected: 7.3.0
Affected: 7.3.1
Affected: 7.3.1.1
Affected: 7.3.1.2
Affected: 7.4.0
Affected: 7.4.1
Affected: 7.4.1.1
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cisco firepower_threat_defense_software Affected: 6.2.3 , ≤ 6.2.3.18 (custom)
Affected: 6.4.0 , ≤ 6.4.0.18 (custom)
Affected: 6.6.0 , ≤ 6.6.7.2 (custom)
Affected: 6.7.0 , ≤ 6.7.0.3 (custom)
Affected: 7.0.0 , ≤ 7.0.6.2 (custom)
Affected: 7.1.0 , ≤ 7.1.0.3 (custom)
Affected: 7.2.0 , ≤ 7.2.8.1 (custom)
Affected: 7.3.0 , ≤ 7.3.1.2 (custom)
Affected: 7.4.0 , ≤ 7.4.1.1 (custom)
    cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*
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Show details on NVD website

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    "datePublished": "2024-10-23T17:36:40.728Z",
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      "id": "CVE-2024-20407",
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A successful exploit could allow unintended traffic to enter the network protected by the affected device.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la interacci\u00f3n entre la funci\u00f3n TCP Intercept y el motor de detecci\u00f3n Snort 3 en el software Cisco Firepower Threat Defense (FTD) podr\u00eda permitir que un atacante remoto no autenticado eluda las pol\u00edticas configuradas en un sistema afectado. Los dispositivos que est\u00e1n configurados con Snort 2 no se ven afectados por esta vulnerabilidad. Esta vulnerabilidad se debe a un error l\u00f3gico al manejar conexiones TCP embrionarias (semiabiertas). Un atacante podr\u00eda explotar esta vulnerabilidad enviando un patr\u00f3n de tr\u00e1fico manipulado a trav\u00e9s de un dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir que el tr\u00e1fico no deseado ingrese a la red protegida por el dispositivo afectado.\"}],\"affected\":[{\"source\":\"psirt@cisco.com\",\"affectedData\":[{\"vendor\":\"Cisco\",\"product\":\"Cisco Firepower Threat Defense 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    "redhat_vex": {
      "current_release_date": "2025-05-28T19:11:26+00:00",
      "cve": "CVE-2024-20407",
      "id": "CVE-2024-20407",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2024-20407",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-20407.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-20407\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-23T18:45:15.554948Z\"}}}], \"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\": \"6.2.3.18\"}, {\"status\": \"affected\", \"version\": \"6.4.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.4.0.18\"}, {\"status\": \"affected\", \"version\": \"6.6.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.6.7.2\"}, {\"status\": \"affected\", \"version\": \"6.7.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.7.0.3\"}, {\"status\": \"affected\", \"version\": \"7.0.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.0.6.2\"}, {\"status\": \"affected\", \"version\": \"7.1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.1.0.3\"}, {\"status\": \"affected\", \"version\": \"7.2.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.2.8.1\"}, {\"status\": \"affected\", \"version\": \"7.3.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.3.1.2\"}, {\"status\": \"affected\", \"version\": \"7.4.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.4.1.1\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-24T16:09:05.099Z\"}}], \"cna\": {\"source\": {\"defects\": [\"CSCwi42291\"], \"advisory\": \"cisco-sa-snort-bypass-PTry37fX\", \"discovery\": \"EXTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco Firepower Threat Defense Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.2.3\"}, {\"status\": \"affected\", \"version\": \"6.2.3.1\"}, {\"status\": \"affected\", \"version\": \"6.2.3.2\"}, {\"status\": \"affected\", \"version\": \"6.2.3.3\"}, {\"status\": \"affected\", \"version\": \"6.2.3.4\"}, {\"status\": \"affected\", \"version\": \"6.2.3.5\"}, {\"status\": \"affected\", \"version\": \"6.2.3.6\"}, {\"status\": \"affected\", \"version\": \"6.2.3.7\"}, {\"status\": \"affected\", \"version\": \"6.2.3.8\"}, {\"status\": \"affected\", \"version\": \"6.2.3.10\"}, {\"status\": \"affected\", \"version\": \"6.2.3.11\"}, {\"status\": \"affected\", \"version\": \"6.2.3.9\"}, {\"status\": \"affected\", \"version\": \"6.2.3.12\"}, {\"status\": \"affected\", \"version\": \"6.2.3.13\"}, {\"status\": \"affected\", \"version\": \"6.2.3.14\"}, {\"status\": \"affected\", \"version\": \"6.2.3.15\"}, {\"status\": \"affected\", \"version\": \"6.2.3.16\"}, {\"status\": \"affected\", \"version\": \"6.2.3.17\"}, {\"status\": \"affected\", \"version\": \"6.2.3.18\"}, {\"status\": \"affected\", \"version\": \"6.6.0\"}, {\"status\": \"affected\", \"version\": \"6.6.0.1\"}, {\"status\": \"affected\", \"version\": \"6.6.1\"}, {\"status\": \"affected\", \"version\": \"6.6.3\"}, {\"status\": \"affected\", \"version\": \"6.6.4\"}, {\"status\": \"affected\", \"version\": \"6.6.5\"}, {\"status\": \"affected\", \"version\": \"6.6.5.1\"}, {\"status\": \"affected\", \"version\": \"6.6.5.2\"}, {\"status\": \"affected\", \"version\": \"6.6.7\"}, {\"status\": \"affected\", \"version\": \"6.6.7.1\"}, {\"status\": \"affected\", \"version\": \"6.6.7.2\"}, {\"status\": \"affected\", \"version\": \"6.4.0\"}, {\"status\": \"affected\", \"version\": \"6.4.0.1\"}, {\"status\": \"affected\", \"version\": \"6.4.0.3\"}, {\"status\": \"affected\", \"version\": \"6.4.0.2\"}, {\"status\": \"affected\", \"version\": \"6.4.0.4\"}, {\"status\": \"affected\", \"version\": \"6.4.0.5\"}, {\"status\": \"affected\", \"version\": \"6.4.0.6\"}, {\"status\": \"affected\", \"version\": \"6.4.0.7\"}, {\"status\": \"affected\", \"version\": \"6.4.0.8\"}, {\"status\": \"affected\", \"version\": \"6.4.0.9\"}, {\"status\": \"affected\", \"version\": \"6.4.0.10\"}, {\"status\": \"affected\", \"version\": \"6.4.0.11\"}, {\"status\": \"affected\", \"version\": \"6.4.0.12\"}, {\"status\": \"affected\", \"version\": \"6.4.0.13\"}, {\"status\": \"affected\", \"version\": \"6.4.0.14\"}, {\"status\": \"affected\", \"version\": \"6.4.0.15\"}, {\"status\": \"affected\", \"version\": \"6.4.0.16\"}, {\"status\": \"affected\", \"version\": \"6.4.0.17\"}, {\"status\": \"affected\", \"version\": \"6.4.0.18\"}, {\"status\": \"affected\", \"version\": \"6.7.0\"}, {\"status\": \"affected\", \"version\": \"6.7.0.1\"}, {\"status\": \"affected\", \"version\": \"6.7.0.2\"}, {\"status\": \"affected\", \"version\": \"6.7.0.3\"}, {\"status\": \"affected\", \"version\": \"7.0.0\"}, {\"status\": \"affected\", \"version\": \"7.0.0.1\"}, {\"status\": \"affected\", \"version\": \"7.0.1\"}, {\"status\": \"affected\", \"version\": \"7.0.1.1\"}, {\"status\": \"affected\", \"version\": \"7.0.2\"}, {\"status\": \"affected\", \"version\": \"7.0.2.1\"}, {\"status\": \"affected\", \"version\": \"7.0.3\"}, {\"status\": \"affected\", \"version\": \"7.0.4\"}, {\"status\": \"affected\", \"version\": \"7.0.5\"}, {\"status\": \"affected\", \"version\": \"7.0.6\"}, {\"status\": \"affected\", \"version\": \"7.0.6.1\"}, {\"status\": \"affected\", \"version\": \"7.0.6.2\"}, {\"status\": \"affected\", \"version\": \"7.1.0\"}, {\"status\": \"affected\", \"version\": \"7.1.0.1\"}, {\"status\": \"affected\", \"version\": \"7.1.0.2\"}, {\"status\": \"affected\", \"version\": \"7.1.0.3\"}, {\"status\": \"affected\", \"version\": \"7.2.0\"}, {\"status\": \"affected\", \"version\": \"7.2.0.1\"}, {\"status\": \"affected\", \"version\": \"7.2.1\"}, {\"status\": \"affected\", \"version\": \"7.2.2\"}, {\"status\": \"affected\", \"version\": \"7.2.3\"}, {\"status\": \"affected\", \"version\": \"7.2.4\"}, {\"status\": \"affected\", \"version\": \"7.2.4.1\"}, {\"status\": \"affected\", \"version\": \"7.2.5\"}, {\"status\": \"affected\", \"version\": \"7.2.5.1\"}, {\"status\": \"affected\", \"version\": \"7.2.6\"}, {\"status\": \"affected\", \"version\": \"7.2.7\"}, {\"status\": \"affected\", \"version\": \"7.2.5.2\"}, {\"status\": \"affected\", \"version\": \"7.2.8\"}, {\"status\": \"affected\", \"version\": \"7.2.8.1\"}, {\"status\": \"affected\", \"version\": \"7.3.0\"}, {\"status\": \"affected\", \"version\": \"7.3.1\"}, {\"status\": \"affected\", \"version\": \"7.3.1.1\"}, {\"status\": \"affected\", \"version\": \"7.3.1.2\"}, {\"status\": \"affected\", \"version\": \"7.4.0\"}, {\"status\": \"affected\", \"version\": \"7.4.1\"}, {\"status\": \"affected\", \"version\": \"7.4.1.1\"}]}], \"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-snort-bypass-PTry37fX\", \"name\": \"cisco-sa-snort-bypass-PTry37fX\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are not affected by this vulnerability. \\r\\n\\r This vulnerability is due to a logic error when handling embryonic (half-open) TCP connections. An attacker could exploit this vulnerability by sending a crafted traffic pattern through an affected device. A successful exploit could allow unintended traffic to enter the network protected by the affected device.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-399\", \"description\": \"Resource Management Errors\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2024-10-23T17:36:40.728Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-20407\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-24T16:09:41.083Z\", \"dateReserved\": \"2023-11-08T15:08:07.661Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2024-10-23T17:36:40.728Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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