CVE-2015-4205

Cisco IOS XR 5.3.1 - Denial of Service via Crafted IEEE 802.3x Flow-Control PAUSE Frames

Title source: llm
STIX 2.1

Description

Cisco IOS XR 5.3.1 on ASR 9000 devices allows remote attackers 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.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/75352
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1032691
Vendor Advisory vendor-advisory x_refsource_cisco
http://tools.cisco.com/security/center/viewAlert.x?alertId=39455

Scores

EPSS 0.0087
EPSS Percentile 55.2%

Details

CWE
CWE-399
Status published
Products (1)
cisco/ios_xr 5.3.1
Published Jun 23, 2015
Tracked Since Feb 18, 2026