7.5
CVSSv2

CVE-2014-3396

Published: 05/10/2014 Updated: 06/10/2014
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

Cisco IOS XR on ASR 9000 devices does not properly use compression for port-range and address-range encoding, which allows remote malicious users to bypass intended Typhoon line-card ACL restrictions via transit traffic, aka Bug ID CSCup30133.

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cisco ios_xr

cisco asr_9912 -

cisco asr_9000_rsp440_router -

cisco asr_9001 -

cisco asr_9006 -

cisco asr_9010 -

cisco asr_9904 -

cisco asr_9922 -

Vendor Advisories

A vulnerability in the port or address range compression feature for access control lists (ACLs) on Typhoon line cards in Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass protection offered by a configured ACL on an affected device The vulnerability is due to incorrect port or address r ...