Vulnerability Monitor

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CVE-2015-4205

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.

Published

2015-06-23T14:59:02.743

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.7 (MEDIUM)

CVSSv2 Vector

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

Access Vector: ADJACENT_NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

5.5

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios_xr	5.3.1	Yes
Hardware	cisco	asr_9001	-	No
Hardware	cisco	asr_9006	-	No
Hardware	cisco	asr_9010	-	No
Hardware	cisco	asr_9904	-	No
Hardware	cisco	asr_9912	-	No
Hardware	cisco	asr_9922	-	No

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=39455 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/75352 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032691 Third Party Advisory, VDB Entry ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=39455 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/75352 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032691 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)