High severity · published Jul 25, 2017
CVE-2017-6672
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,…
7.5
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A5
Asr 5000 Series Software · Cisco
19.3.5; 19.3.11; 19.3.12; 19.6.0; 19.6.3; 19.6.6; +17 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6672
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6672
Third Party Advisory
http://www.securityfocus.com/bid/99921
Third Party Advisory
http://www.securitytracker.com/id/1038962
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1
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