Medium severity · published Sep 22, 2016
CVE-2014-2146
The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which…
6.5
CVSS
1.3%
EPSS
No
On KEV
Description
The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
through 15.4\(3\)s · source: NVD
IO
Ios · Cisco
through 15.4\(1\)t1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-2146
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-2146
www.securityfocus.com
http://www.securityfocus.com/bid/93126
Vendor Advisory
https://tools.cisco.com/security/center/viewAlert.x?alertId=39129
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