Vulnerability Monitor

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CVE-2014-3321

Cisco IOS XR 4.3.4 and earlier on ASR 9000 devices, when bridge-group virtual interface (BVI) routing is enabled, allows remote attackers to cause a denial of service (chip and card hangs) via a series of crafted MPLS packets, aka Bug ID CSCuo91149.

Published

2014-07-18T00:55:04.923

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-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xr ≤ 4.3.4 Yes
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
Hardware cisco asr_9000_rsp440_router - Yes
Hardware cisco asr_9001 - Yes
Hardware cisco asr_9006 - Yes
Hardware cisco asr_9010 - Yes
Hardware cisco asr_9904 - Yes
Hardware cisco asr_9912 - Yes
Hardware cisco asr_9922 - Yes
References