Vulnerability Monitor

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CVE-2011-3273

Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.

Published

2011-10-03T23:55:03.673

Last Modified

2025-04-11T00:51:21.963

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-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 15.0 Yes
Operating System cisco ios 15.0m Yes
Operating System cisco ios 15.0sg Yes
Operating System cisco ios 15.0xa Yes
Operating System cisco ios 15.0xo Yes
Operating System cisco ios 15.1 Yes
Operating System cisco ios 15.1gc Yes
Operating System cisco ios 15.1m Yes
Operating System cisco ios 15.1s Yes
Operating System cisco ios 15.1t Yes
Operating System cisco ios 15.1xb Yes
References