Vulnerability-Lookup

BDU:2026-06300 (CVE-2026-20079)

Vulnerability from fstec – Published: 2026-05-05 – Updated: 2026-09-11 – View on bdu.fstec.ru Exploit publicly available Yes Fixed

Title

Уязвимость веб-интерфейса программного обеспечения администрирования сети Cisco Secure Firewall Management Center (ранее Cisco Firepower Management Center), позволяющая нарушителю обойти ограничения безопасности, выполнить произвольный код и повысить свои привилегии

Summary

Уязвимость веб-интерфейса программного обеспечения администрирования сети Cisco Secure Firewall Management Center (ранее Cisco Firepower Management Center) связана с обходом аутентификации с использованием альтернативного пути или канала. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, обойти ограничения безопасности, выполнить произвольный код и повысить свои привилегии

Severity

10.0 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:C/I:C/A:C

10.0 (Critical) CVSS 3.1


                      
                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Class

Architecture vulnerability

Status

Confirmed by the vendor

Exploitation

Authentication bypass

Incidents

Yes

Remediation

Software update

CWE

CWE-288 - Обход аутентификации посредством использования альтернативного пути или канала

Aliases

CVE-2026-20079

References

5 references

URL
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/c…
https://github.com/0xBlackash/CVE-2026-20079
https://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv
https://blog.talosintelligence.com/fmc-ongoing-exploitation/
http://seclists.org/fulldisclosure/2026/Aug/80

Impacted products

1 product from 2 vendors

Vendors

Cisco Systems, Inc.

Products

Cisco Secure Firewall Management Center

Versions

7.0.0 (Cisco Secure Firewall Management Center), 7.0.0.1 (Cisco Secure Firewall Management Center), 7.0.1 (Cisco Secure Firewall Management Center), 7.0.1.1 (Cisco Secure Firewall Management Center), 7.0.2 (Cisco Secure Firewall Management Center), 7.0.2.1 (Cisco Secure Firewall Management Center), 7.0.3 (Cisco Secure Firewall Management Center), 7.0.4 (Cisco Secure Firewall Management Center), 7.0.5 (Cisco Secure Firewall Management Center), 7.0.6 (Cisco Secure Firewall Management Center), 7.0.6.1 (Cisco Secure Firewall Management Center), 7.0.6.2 (Cisco Secure Firewall Management Center), 7.1.0.1 (Cisco Secure Firewall Management Center), 7.1.0.2 (Cisco Secure Firewall Management Center), 7.1.0.3 (Cisco Secure Firewall Management Center), 7.2.0.1 (Cisco Secure Firewall Management Center), 7.2.3.1 (Cisco Secure Firewall Management Center), 7.2.4.1 (Cisco Secure Firewall Management Center), 7.2.5.1 (Cisco Secure Firewall Management Center), 7.2.5.2 (Cisco Secure Firewall Management Center), 7.2.8.1 (Cisco Secure Firewall Management Center), 7.3.1.1 (Cisco Secure Firewall Management Center), 7.3.1.2 (Cisco Secure Firewall Management Center), 7.4.1.1 (Cisco Secure Firewall Management Center), 7.0.7 (Cisco Secure Firewall Management Center), 7.7.0 (Cisco Secure Firewall Management Center), 7.0.6.3 (Cisco Secure Firewall Management Center), 7.0.8 (Cisco Secure Firewall Management Center), 7.0.8.1 (Cisco Secure Firewall Management Center), 7.1.0 (Cisco Secure Firewall Management Center), 7.2.0 (Cisco Secure Firewall Management Center), 7.2.1 (Cisco Secure Firewall Management Center), 7.2.2 (Cisco Secure Firewall Management Center), 7.2.3 (Cisco Secure Firewall Management Center), 7.2.4 (Cisco Secure Firewall Management Center), 7.2.5 (Cisco Secure Firewall Management Center), 7.2.6 (Cisco Secure Firewall Management Center), 7.2.7 (Cisco Secure Firewall Management Center), 7.2.8 (Cisco Secure Firewall Management Center), 7.2.9 (Cisco Secure Firewall Management Center), 7.2.10 (Cisco Secure Firewall Management Center), 7.2.10.2 (Cisco Secure Firewall Management Center), 7.2.10.1 (Cisco Secure Firewall Management Center), 7.3.0 (Cisco Secure Firewall Management Center), 7.3.1 (Cisco Secure Firewall Management Center), 7.4.0 (Cisco Secure Firewall Management Center), 7.4.1 (Cisco Secure Firewall Management Center), 7.4.2 (Cisco Secure Firewall Management Center), 7.4.2.1 (Cisco Secure Firewall Management Center), 7.4.2.2 (Cisco Secure Firewall Management Center), 7.4.2.3 (Cisco Secure Firewall Management Center), 7.4.2.4 (Cisco Secure Firewall Management Center), 7.4.3 (Cisco Secure Firewall Management Center), 7.6.0 (Cisco Secure Firewall Management Center), 7.6.1 (Cisco Secure Firewall Management Center), 7.6.2 (Cisco Secure Firewall Management Center), 7.6.2.1 (Cisco Secure Firewall Management Center), 7.6.3 (Cisco Secure Firewall Management Center), 7.7.10 (Cisco Secure Firewall Management Center), 7.7.10.1 (Cisco Secure Firewall Management Center), 7.7.11 (Cisco Secure Firewall Management Center)

Product types

ПО программно-аппаратных средств защиты

Mitigations

Использование рекомендаций: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "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": "7.0.0 (Cisco Secure Firewall Management Center), 7.0.0.1 (Cisco Secure Firewall Management Center), 7.0.1 (Cisco Secure Firewall Management Center), 7.0.1.1 (Cisco Secure Firewall Management Center), 7.0.2 (Cisco Secure Firewall Management Center), 7.0.2.1 (Cisco Secure Firewall Management Center), 7.0.3 (Cisco Secure Firewall Management Center), 7.0.4 (Cisco Secure Firewall Management Center), 7.0.5 (Cisco Secure Firewall Management Center), 7.0.6 (Cisco Secure Firewall Management Center), 7.0.6.1 (Cisco Secure Firewall Management Center), 7.0.6.2 (Cisco Secure Firewall Management Center), 7.1.0.1 (Cisco Secure Firewall Management Center), 7.1.0.2 (Cisco Secure Firewall Management Center), 7.1.0.3 (Cisco Secure Firewall Management Center), 7.2.0.1 (Cisco Secure Firewall Management Center), 7.2.3.1 (Cisco Secure Firewall Management Center), 7.2.4.1 (Cisco Secure Firewall Management Center), 7.2.5.1 (Cisco Secure Firewall Management Center), 7.2.5.2 (Cisco Secure Firewall Management Center), 7.2.8.1 (Cisco Secure Firewall Management Center), 7.3.1.1 (Cisco Secure Firewall Management Center), 7.3.1.2 (Cisco Secure Firewall Management Center), 7.4.1.1 (Cisco Secure Firewall Management Center), 7.0.7 (Cisco Secure Firewall Management Center), 7.7.0 (Cisco Secure Firewall Management Center), 7.0.6.3 (Cisco Secure Firewall Management Center), 7.0.8 (Cisco Secure Firewall Management Center), 7.0.8.1 (Cisco Secure Firewall Management Center), 7.1.0 (Cisco Secure Firewall Management Center), 7.2.0 (Cisco Secure Firewall Management Center), 7.2.1 (Cisco Secure Firewall Management Center), 7.2.2 (Cisco Secure Firewall Management Center), 7.2.3 (Cisco Secure Firewall Management Center), 7.2.4 (Cisco Secure Firewall Management Center), 7.2.5 (Cisco Secure Firewall Management Center), 7.2.6 (Cisco Secure Firewall Management Center), 7.2.7 (Cisco Secure Firewall Management Center), 7.2.8 (Cisco Secure Firewall Management Center), 7.2.9 (Cisco Secure Firewall Management Center), 7.2.10 (Cisco Secure Firewall Management Center), 7.2.10.2 (Cisco Secure Firewall Management Center), 7.2.10.1 (Cisco Secure Firewall Management Center), 7.3.0 (Cisco Secure Firewall Management Center), 7.3.1 (Cisco Secure Firewall Management Center), 7.4.0 (Cisco Secure Firewall Management Center), 7.4.1 (Cisco Secure Firewall Management Center), 7.4.2 (Cisco Secure Firewall Management Center), 7.4.2.1 (Cisco Secure Firewall Management Center), 7.4.2.2 (Cisco Secure Firewall Management Center), 7.4.2.3 (Cisco Secure Firewall Management Center), 7.4.2.4 (Cisco Secure Firewall Management Center), 7.4.3 (Cisco Secure Firewall Management Center), 7.6.0 (Cisco Secure Firewall Management Center), 7.6.1 (Cisco Secure Firewall Management Center), 7.6.2 (Cisco Secure Firewall Management Center), 7.6.2.1 (Cisco Secure Firewall Management Center), 7.6.3 (Cisco Secure Firewall Management Center), 7.7.10 (Cisco Secure Firewall Management Center), 7.7.10.1 (Cisco Secure Firewall Management Center), 7.7.11 (Cisco Secure Firewall Management Center)",
  "\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:\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "04.03.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "11.09.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "05.05.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-06300",
  "\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-2026-20079",
  "\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": "Cisco Secure Firewall Management Center",
  "\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 \u0432\u0435\u0431-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0442\u0438 Cisco Secure Firewall Management Center (\u0440\u0430\u043d\u0435\u0435 Cisco Firepower Management Center), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u0438 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\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 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041e\u0431\u0445\u043e\u0434 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043f\u0443\u0442\u0438 \u0438\u043b\u0438 \u043a\u0430\u043d\u0430\u043b\u0430 (CWE-288)",
  "\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 \u0432\u0435\u0431-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0442\u0438 Cisco Secure Firewall Management Center (\u0440\u0430\u043d\u0435\u0435 Cisco Firepower Management Center) \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0431\u0445\u043e\u0434\u043e\u043c \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043f\u0443\u0442\u0438 \u0438\u043b\u0438 \u043a\u0430\u043d\u0430\u043b\u0430. \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, \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u0438 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\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",
  "\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\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\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-onprem-fmc-authbypass-5JPp45V2\nhttps://github.com/0xBlackash/CVE-2026-20079\nhttps://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv\nhttps://blog.talosintelligence.com/fmc-ongoing-exploitation/\nhttp://seclists.org/fulldisclosure/2026/Aug/80",
  "\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\u041e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0437\u0430\u0449\u0438\u0442\u044b",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-288",
  "\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": "\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\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 10)\n\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\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 10)"
}

CVE-2026-20079 (GCVE-0-2026-20079)

Vulnerability from cvelistv5 – Published: 2026-03-04 17:17 – Updated: 2026-09-16 20:08

Title

Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability

Summary

A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. This vulnerability is due to an improper system process that is created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute a variety of scripts and commands that allow root access to the device.

Severity

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 03:55 UTC

CWE

CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Assigner

cisco mitre root

References

4 references

URL	Tags
https://sec.cloudapps.cisco.com/security/center/c…
https://blog.talosintelligence.com/fmc-ongoing-ex…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource
http://seclists.org/fulldisclosure/2026/Aug/80

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco Secure Firewall Management Center (FMC)	Affected: 7.0.0 Affected: 7.0.0.1 Affected: 7.0.1 Affected: 7.1.0 Affected: 7.0.1.1 Affected: 7.1.0.1 Affected: 7.0.2 Affected: 7.2.0 Affected: 7.0.2.1 Affected: 7.0.3 Affected: 7.1.0.2 Affected: 7.2.0.1 Affected: 7.0.4 Affected: 7.2.1 Affected: 7.0.5 Affected: 7.3.0 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.2.3 Affected: 7.1.0.3 Affected: 7.2.3.1 Affected: 7.2.4 Affected: 7.0.6 Affected: 7.2.4.1 Affected: 7.2.5 Affected: 7.3.1.1 Affected: 7.4.0 Affected: 7.0.6.1 Affected: 7.2.5.1 Affected: 7.4.1 Affected: 7.2.6 Affected: 7.4.1.1 Affected: 7.0.6.2 Affected: 7.2.7 Affected: 7.2.5.2 Affected: 7.3.1.2 Affected: 7.2.8 Affected: 7.6.0 Affected: 7.4.2 Affected: 7.2.8.1 Affected: 7.0.6.3 Affected: 7.4.2.1 Affected: 7.2.9 Affected: 7.0.7 Affected: 7.7.0 Affected: 7.4.2.2 Affected: 7.2.10 Affected: 7.6.1 Affected: 7.4.2.3 Affected: 7.0.8 Affected: 7.6.2 Affected: 7.7.10 Affected: 7.2.10.1 Affected: 7.0.8.1 Affected: 7.6.2.1 Affected: 7.2.10.2 Affected: 7.7.10.1 Affected: 7.4.2.4 Affected: 7.4.3 Affected: 7.6.3 Affected: 7.7.11 Affected: 7.6.4 Affected: 10.0.0 Affected: 7.4.4 Affected: 7.4.5 Affected: 7.0.9 Affected: 7.2.11 Affected: 7.7.12 Affected: 7.6.5 Affected: 7.4.6 Affected: 10.0.1 Affected: 7.4.7

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                "id": "CVE-2026-20079",
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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2026-06300 (CVE-2026-20079)

CVE-2026-20079 (GCVE-0-2026-20079)

Tags

Sightings

Nomenclature

Related by attack behaviour