SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-9209

A vulnerability in TCP processing in Cisco FirePOWER system software could allow an unauthenticated, remote attacker to download files that would normally be blocked.

MEDIUM 4.3EPSS 1.18%

Does this matter?

Lower severity and a low EPSS score (1.18%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability in TCP processing in Cisco FirePOWER system software could allow an unauthenticated, remote attacker to download files that would normally be blocked. Affected Products: The following Cisco products are vulnerable: Adaptive Security Appliance (ASA) 5500-X Series with FirePOWER Services, Advanced Malware Protection (AMP) for Networks - 7000 Series Appliances, Advanced Malware Protection (AMP) for Networks - 8000 Series Appliances, FirePOWER 7000 Series Appliances, FirePOWER 8000 Series Appliances, FirePOWER Threat Defense for Integrated Services Routers (ISRs), Next Generation Intrusion Prevention System (NGIPS) for Blue Coat X-Series, Sourcefire 3D System Appliances, Virtual Next-Generation Intrusion Prevention System (NGIPSv) for VMware. More Information: CSCvb20102. Known Affected Releases: 2.9.7.10.

CVSS 3.0
4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
1.18% probability · 68th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-254
Affected
cisco/firepower services for adaptive security appliance
Source
psirt@cisco.com
EPSS trend
0%3%5%27 October 2026: 1.18%27 October 202627 October 2026

EPSS 1.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.