Vulnerability Monitor

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CVE-2015-0695

Cisco IOS XR 4.3.4 through 5.3.0 on ASR 9000 devices, when uRPF, PBR, QoS, or an ACL is configured, does not properly handle bridge-group virtual interface (BVI) traffic, which allows remote attackers to cause a denial of service (chip and card hangs and reloads) by triggering use of a BVI interface for IPv4 packets, aka Bug ID CSCur62957.

Published

2015-04-17T01:59:26.263

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-19
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xr 4.3.0 Yes
Operating System cisco ios_xr 4.3.1 Yes
Operating System cisco ios_xr 4.3.2 Yes
Operating System cisco ios_xr 4.3.3 Yes
Operating System cisco ios_xr 5.1.0 Yes
Operating System cisco ios_xr 5.1.1 Yes
Operating System cisco ios_xr 5.1.2 Yes
Operating System cisco ios_xr 5.2.0 Yes
Operating System cisco ios_xr 5.2.1 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