CVE-2017-6672

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-07-25 · updated 2026-06-17
Weakness: CWE-863

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.

Affected products

Cisco ASR 5000 Series Aggregation Services Routers: 19.3.5, 19.3.11, 19.3.12, 19.6.0, 19.6.3, 19.6.6 (+17)

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
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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