The USB driver in Cisco Firepower Extensible Operating System 1.1(1.160) on Firepower 9000 devices allows physically proximate attackers to…

published 2015-11-19 10y ago modified 2026-06-17 4mo ago also EUVD-2015-6311

cvss: 4.9; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

The USB driver in Cisco Firepower Extensible Operating System 1.1(1.160) on Firepower 9000 devices allows physically proximate attackers to cause a denial of service via a crafted USB device that triggers invalid USB commands, aka Bug ID CSCux10531.

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Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.9	AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness

CWE-20 Improper Input Validation

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20151116-fire
vendor-advisory

Sources

CVE List CVE-2015-6369
NVD CVE-2015-6369

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