PT-2026-93993 · Cisco · Secure Fmc
CVE-2026-20343
·
Published
2026-09-16
·
Updated
2026-10-02
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Cisco Secure FMC Software (affected versions not specified)
Description
An unauthenticated remote attacker can exploit a critical API that lacks authentication. By repeatedly invoking this API, an attacker can download restricted sensitive files and consume unbounded disk space, which may lead to a Denial of Service (DoS) condition where the device becomes unresponsive.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Missing Authentication
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Secure Fmc