{
  "affected": [],
  "aliases": [
    "CVE-2023-20084"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-437"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-11-22T17:15:18Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. This vulnerability is due to a timing issue that occurs between various software components. An attacker could exploit this vulnerability by persuading a user to put a malicious file into a specific folder and then persuading the user to execute the file within a limited time window. A successful exploit could allow the attacker to cause the endpoint software to fail to quarantine the malicious file or kill its process. Note: This vulnerability only applies to deployments that have the Windows Folder Redirection feature enabled.",
  "id": "GHSA-cc7p-25jw-497j",
  "modified": "2023-11-22T18:30:57Z",
  "published": "2023-11-22T18:30:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20084"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-endpoint-dos-RzOgFKnd"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "document": {
    "acknowledgments": [
      {
        "summary": "This vulnerability was found by Kevin Scheel of Cisco."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window.\r\n\r\nThis vulnerability is due to a timing issue that occurs between various software components. An attacker could exploit this vulnerability by persuading a user to put a malicious file into a specific folder and then persuading the user to execute the file within a limited time window. A successful exploit could allow the attacker to cause the endpoint software to fail to quarantine the malicious file or kill its process.\r\n\r\nNote: This vulnerability only applies to deployments that have the Windows Folder Redirection feature enabled.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "At the time of publication, this vulnerability affected Cisco Secure Endpoint Connector for Windows and Cisco Secure Endpoint Private Cloud.\r\n\r\nFor information about which Cisco software releases were vulnerable at the time of publication, see the Fixed Software [\"#fs\"] section of this advisory. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.",
        "title": "Vulnerable Products"
      },
      {
        "category": "general",
        "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that this vulnerability does not affect the following Cisco products:\r\n\r\nSecure Endpoint Connector for Linux\r\nSecure Endpoint Connector for MacOS",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address this vulnerability.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "When considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\n      Fixed Releases\r\nAt the time of publication, the release information in the following table was accurate. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.\r\n        Cisco Platform  First Fixed Release          Secure Endpoint Connector for Windows  7.5.17 (Nov 2023)\r\n8.2.1.21650      Secure Endpoint Private Cloud  4.1\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "This vulnerability was found by Kevin Scheel of Cisco.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
        "title": "Legal Disclaimer"
      }
    ],
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        "summary": "Cisco Secure Endpoint for Windows Scanning Evasion Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-endpoint-dos-RzOgFKnd"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "considering software upgrades",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
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        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
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      "generator": {
        "date": "2023-11-28T14:46:53+00:00",
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          "date": "2023-11-15T15:54:37+00:00",
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      ],
      "title": "Cisco Secure Endpoint for Windows Denial of Service Vulnerability"
    }
  ]
}

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                    "matchCriteriaId": "65D971B4-FC73-458C-80AA-A3EA0BB7DFD0",
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                    "criteria": "cpe:2.3:a:cisco:secure_endpoint:8.1.7.21512:*:*:*:*:windows:*:*",
                    "matchCriteriaId": "0CE68809-1B04-4C6D-AE6D-2AB8AE76DC5F",
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                "negate": false,
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            "nodes": [
              {
                "cpeMatch": [
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                "negate": false,
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          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. This vulnerability is due to a timing issue that occurs between various software components. An attacker could exploit this vulnerability by persuading a user to put a malicious file into a specific folder and then persuading the user to execute the file within a limited time window. A successful exploit could allow the attacker to cause the endpoint software to fail to quarantine the malicious file or kill its process. Note: This vulnerability only applies to deployments that have the Windows Folder Redirection feature enabled."
          },
          {
            "lang": "es",
            "value": "Una vulnerabilidad en el software de endpoint de Cisco Secure Endpoint para Windows podr\u00eda permitir que un atacante local autenticado evada la protecci\u00f3n del endpoint dentro de un per\u00edodo de tiempo limitado. Esta vulnerabilidad se debe a un problema de sincronizaci\u00f3n que ocurre entre varios componentes de software. Un atacante podr\u00eda aprovechar esta vulnerabilidad persuadiendo a un usuario para que coloque un archivo malicioso en una carpeta espec\u00edfica y luego persuadi\u00e9ndolo para que ejecute el archivo dentro de un per\u00edodo de tiempo limitado. Un exploit exitoso podr\u00eda permitir al atacante hacer que el software del terminal no ponga en cuarentena el archivo malicioso o finalice su proceso. Nota: Esta vulnerabilidad solo se aplica a implementaciones que tienen habilitada la funci\u00f3n Redirecci\u00f3n de carpetas de Windows."
          }
        ],
        "id": "CVE-2023-20084",
        "lastModified": "2024-01-25T17:15:28.960",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 4.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 0.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.0,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.3,
              "impactScore": 3.6,
              "source": "ykramarz@cisco.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2023-11-22T17:15:18.317",
        "references": [
          {
            "source": "ykramarz@cisco.com",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-endpoint-dos-RzOgFKnd"
          }
        ],
        "sourceIdentifier": "ykramarz@cisco.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-437"
              }
            ],
            "source": "ykramarz@cisco.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Cisco Secure Endpoint bietet Virenschutz und erweiterte Endpunkt-Erkennung und -Reaktion.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in Cisco Secure Endpoint ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- MacOS X\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-2938 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2938.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2938 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2938"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-11-15",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-endpoint-dos-RzOgFKnd"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco Secure Endpoint: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2023-11-15T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:51:35.737+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2938",
      "initial_release_date": "2023-11-15T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-11-15T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Cisco Secure Endpoint Connector for Windows \u003c 7.5.17 (Nov 2023)",
                "product": {
                  "name": "Cisco Secure Endpoint Connector for Windows \u003c 7.5.17 (Nov 2023)",
                  "product_id": "T031206",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:secure_endpoint:connector_for_windows__7.5.17_%28nov_2023%29"
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                }
              },
              {
                "category": "product_name",
                "name": "Cisco Secure Endpoint Private Cloud \u003c 4.1",
                "product": {
                  "name": "Cisco Secure Endpoint Private Cloud \u003c 4.1",
                  "product_id": "T031207",
                  "product_identification_helper": {
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                }
              },
              {
                "category": "product_name",
                "name": "Cisco Secure Endpoint Connector for Windows \u003c 8.2.1.21650",
                "product": {
                  "name": "Cisco Secure Endpoint Connector for Windows \u003c 8.2.1.21650",
                  "product_id": "T031208",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:secure_endpoint:connector_for_windows__8.2.1.21650"
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                }
              }
            ],
            "category": "product_name",
            "name": "Secure Endpoint"
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-20084",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in Cisco Secure Endpoint. Dieser Fehler besteht in der Endpunktsoftware aufgrund eines Zeitproblems, das zwischen verschiedenen Softwarekomponenten auftritt und dazu f\u00fchrt, dass die Endpunktsoftware keine ordnungsgem\u00e4\u00dfe Quarant\u00e4ne verwendet. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen, indem er einen Benutzer dazu zwingt, eine b\u00f6sartige Datei in einem bestimmten Ordner abzulegen und sie innerhalb eines bestimmten Zeitraums auszuf\u00fchren. Eine erfolgreiche Ausnutzung erfordert eine Benutzerinteraktion."
        }
      ],
      "release_date": "2023-11-15T23:00:00Z",
      "title": "CVE-2023-20084"
    }
  ]
}