Cisco Secure Firewall Management Center Software Authenticated Privilege Escalation to Root Vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-76412
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 21:17:13 UTC
Updated2026-09-17 04:18:00 UTC
DescriptionA vulnerability in the remote diagnostics debugger of Cisco Secure FMC Software could allow an authenticated, remote attacker to enable the remote diagnostics debugger service. This vulnerability is due to an error when checking the privilege level of a user who is invoking remote diagnostics. An attacker could exploit this vulnerability by authenticating to the device, either through the web-based management interface or the REST API, and using the remote diagnostics debugger to grant a user elevated privileges. A successful exploit could allow the attacker to elevate privileges to root. Notes: To exploit this vulnerability, the attacker must have valid user credentials on the affected device. The CVSSv3.1 Attack Complexity is High due to the multistage process required to fully exploit this vulnerability.

Risk And Classification

Primary CVSS: v3.1 8.5 HIGH from [email protected]

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

Problem Types: CWE-264 | CWE-264 Permissions, Privileges, and Access Control

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSSV3_18.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cisco Cisco Secure Firewall Management Center FMC affected 7.7.0 Not specified
CNA Cisco Cisco Secure Firewall Management Center FMC affected 7.7.10 Not specified
CNA Cisco Cisco Secure Firewall Management Center FMC affected 7.7.10.1 Not specified
CNA Cisco Cisco Secure Firewall Management Center FMC affected 7.7.11 Not specified
CNA Cisco Cisco Secure Firewall Management Center FMC affected 10.0.0 Not specified
CNA Cisco Cisco Secure Firewall Management Center FMC affected 7.7.12 Not specified
CNA Cisco Cisco Secure Firewall Management Center FMC affected 10.0.1 Not specified

References

ReferenceSourceLinkTags
sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc2-m... [email protected] sec.cloudapps.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Exploits

CNA: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

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