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Published: 23/06/2015 Updated: 29/12/2016

CVSS v2 Base Score: 5.7 | Impact Score: 6.9 | Exploitability Score: 5.5

VMScore: 507

Vector: AV:A/AC:M/Au:N/C:N/I:N/A:C

Cisco IOS XR 5.3.1 on ASR 9000 devices allows remote malicious users to cause a denial of service (NPU chip reset or line-card reload) by sending crafted IEEE 802.3x flow-control PAUSE frames on the local network, aka Bug ID CSCut19959.

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cisco ios_xr 5.3.1

A vulnerability in flow control processing of Cisco IOS XR Software for Cisco ASR 9000 Series Routers could allow an unauthenticated, adjacent attacker to cause a Network Processing Unit (NPU) chip reset and potentially a reload of the affected line card The vulnerability is due to improper processing of crafted IEEE 8023x flow control pause fra ...

CWE-399 http://tools.cisco.com/security/center/viewAlert.x?alertId=39455 http://www.securityfocus.com/bid/75352 http://www.securitytracker.com/id/1032691 https://nvd.nist.gov http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20150622-CVE-2015-4205

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CVE-2015-4205

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