Vulnerability CVE-2017-6672
Published: 2017-07-25   Modified: 2017-07-26

Description:
A vulnerability in certain filtering mechanisms of access control lists (ACLs) for Cisco ASR 5000 Series Aggregation Services Routers through 21.x could allow an unauthenticated, remote attacker to bypass ACL rules that have been configured for an affected device. More Information: CSCvb99022 CSCvc16964 CSCvc37351 CSCvc54843 CSCvc63444 CSCvc77815 CSCvc88658 CSCve08955 CSCve14141 CSCve33870.

Type:

CWE-863

 (Incorrect Authorization)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Cisco -> Asr 5000 series software 

 References:
http://www.securityfocus.com/bid/99921
http://www.securitytracker.com/id/1038962
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1
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