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    BDU:2026-01756 (CVE-2026-20027)

    Vulnerability from fstec – Published: 2026-02-13 – Updated: 2026-02-13 – View on bdu.fstec.ru Exploit exists Fixed
    VLAI
    Title
    Уязвимость механизма обнаружения Snort программного межсетевого экрана Cisco Secure Firewall Threat Defense (FTD), позволяющая нарушителю получить несанкционированный доступ к конфиденциальной информации
    Summary
    Уязвимость механизма обнаружения Snort программного межсетевого экрана Cisco Secure Firewall Threat Defense (FTD) связана с раскрытием информации. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, получить несанкционированный доступ к конфиденциальной информации
    Severity
    5.0 (Medium) CVSS 2.0
    AV:N/AC:L/Au:N/C:P/I:N/A:N
    5.3 (Medium) CVSS 3.1
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Class
    Architecture vulnerability
    Status
    Confirmed by the vendor
    Exploitation
    Information gathering
    Incidents
    Being clarified
    Remediation
    Software update
    CWE
    • CWE-200 - Раскрытие информации
    Aliases
    CVE-2026-20027, CISCO-SA-SNORT3-DCERPC-VULNS-J9HNF4TH, ZDI-26-045, ZDI-CAN-27893
    References
    Impacted products
    Vendors
    Cisco Systems, Inc.
    Products
    Snort, Cisco Secure Firewall Threat Defense (FTD)
    Versions
    3 (Snort), 7.0.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.9 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10.1 (Cisco Secure Firewall Threat Defense (FTD))
    Product types
    Security software, Security device
    Mitigations
    Использование рекомендаций производителя: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-dcerpc-vulns-J9HNF4tH
    To clipboard 

    {
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Cisco Systems, Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "3 (Snort), 7.0.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.1.0.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.9 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10.1 (Cisco Secure Firewall Threat Defense (FTD))",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-dcerpc-vulns-J9HNF4tH",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "07.01.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "13.02.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "13.02.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-01756",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2026-20027, CISCO-SA-snort3-dcerpc-vulns-J9HNF4tH, ZDI-26-045, ZDI-CAN-27893",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Snort, Cisco Secure Firewall Threat Defense (FTD)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f Snort \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043c\u0435\u0436\u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u044d\u043a\u0440\u0430\u043d\u0430 Cisco Secure Firewall Threat Defense (FTD), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 (CWE-200)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f Snort \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043c\u0435\u0436\u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u044d\u043a\u0440\u0430\u043d\u0430 Cisco Secure Firewall Threat Defense (FTD) \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435\u043c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0441\u0431\u043e\u0440 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-dcerpc-vulns-J9HNF4tH",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u0437\u0430\u0449\u0438\u0442\u044b, \u0421\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u0437\u0430\u0449\u0438\u0442\u044b",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-200",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5)\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5,3)"
}