FKIE_CVE-2023-20246

Vulnerability from fkie_nvd - Published: 2023-11-01 18:15 - Updated: 2024-11-21 07:40
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a logic error that occurs when the access control policies are being populated. An attacker could exploit this vulnerability by establishing a connection to an affected device. A successful exploit could allow the attacker to bypass configured access control rules on the affected system.
References
psirt@cisco.comhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3acp-bypass-3bdR2BEhVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3acp-bypass-3bdR2BEhVendor Advisory
Impacted products
Vendor Product Version
snort snort *
cisco firepower_threat_defense *
cisco ios_xe *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F696F350-A488-452D-8644-89A10F66B118",
              "versionEndExcluding": "3.1.57.0",
              "versionStartIncluding": "3.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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    },
    {
      "nodes": [
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          "cpeMatch": [
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              "criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9BB9DB5-5C7E-4546-9C2C-FD292EC18407",
              "versionEndIncluding": "7.3.1.1",
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            }
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          "negate": false,
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. \r\n\r This vulnerability is due to a logic error that occurs when the access control policies are being populated. An attacker could exploit this vulnerability by establishing a connection to an affected device. A successful exploit could allow the attacker to bypass configured access control rules on the affected system."
    },
    {
      "lang": "es",
      "value": "Varios productos de Cisco se ven afectados por una vulnerabilidad en las pol\u00edticas de control de acceso de Snort que podr\u00eda permitir que un atacante remoto no autenticado eluda las pol\u00edticas configuradas en un sistema afectado. Esta vulnerabilidad se debe a un error l\u00f3gico que ocurre cuando se completan las pol\u00edticas de control de acceso. Un atacante podr\u00eda aprovechar esta vulnerabilidad estableciendo una conexi\u00f3n con un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante omitir las reglas de control de acceso configuradas en el sistema afectado."
    }
  ],
  "id": "CVE-2023-20246",
  "lastModified": "2024-11-21T07:40:59.063",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
          "version": "3.1"
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        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      },
      {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
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        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2023-11-01T18:15:09.583",
  "references": [
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      "source": "psirt@cisco.com",
      "tags": [
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3acp-bypass-3bdR2BEh"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
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      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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