SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-3814

A vulnerability in Cisco Firepower System Software could allow an unauthenticated, remote attacker to maliciously bypass the appliance's ability to block certain web content, aka a URL Bypass.

MEDIUM 5.8EPSS 1.85%

Does this matter?

Lower severity and a low EPSS score (1.85%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability in Cisco Firepower System Software could allow an unauthenticated, remote attacker to maliciously bypass the appliance's ability to block certain web content, aka a URL Bypass. More Information: CSCvb93980. Known Affected Releases: 5.3.0 5.4.0 6.0.0 6.0.1 6.1.0.

CVSS 3.0
5.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
EPSS
1.85% probability · 79th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
cisco/secure firewall management center
Source
psirt@cisco.com
EPSS trend
0%3%5%27 October 2026: 1.85%27 October 202627 October 2026

EPSS 1.9% 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.