Description
A vulnerability in the detection engine reassembly of Secure Sockets Layer (SSL) packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the Snort process consumes a high level of CPU resources. Affected Products: This vulnerability affects Cisco Firepower System Software running software releases 6.0.0, 6.1.0, 6.2.0, or 6.2.1 when the device is configured with an SSL policy that has at least one rule specifying traffic decryption. More Information: CSCvc58563. Known Affected Releases: 6.0.0 6.1.0 6.2.0 6.2.1.
References (2)
Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/97451
Vendor Advisory x_refsource_confirm
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-cfpw
Scores
CVSS v3
5.9
EPSS
0.0147
EPSS Percentile
70.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
Status
published
Products (5)
cisco/secure_firewall_management_center
6.0.0
cisco/secure_firewall_management_center
6.1.0
cisco/secure_firewall_management_center
6.2.0
cisco/secure_firewall_management_center
6.2.1
n/a/Cisco Firepower Detection Engine
Cisco Firepower Detection Engine
Published
Apr 07, 2017
Tracked Since
Feb 18, 2026