Vulnerability Monitor

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CVE-2001-0183

ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection.

Published

2001-03-26T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System freebsd freebsd 3.0 Yes
Operating System freebsd freebsd 3.1 Yes
Operating System freebsd freebsd 3.3 Yes
Operating System freebsd freebsd 3.4 Yes
Operating System freebsd freebsd 3.5 Yes
Operating System freebsd freebsd 3.5.1 Yes
Operating System freebsd freebsd 4.0 Yes
Operating System freebsd freebsd 4.0 Yes
Operating System freebsd freebsd 4.1 Yes
Operating System freebsd freebsd 4.1.1 Yes
Operating System freebsd freebsd 4.2 Yes
References