CVEvulnerability

CVE-2003-0567

7.8 HIGH Published 2003-08-18 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2003-08-18
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

Description

Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the input queue on that interface to be marked as full.

Affected configurations

• cisco ios 11.0 • cisco ios 11.1 • cisco ios 11.1aa • cisco ios 11.1ca • cisco ios 11.1cc • cisco ios 11.2 • cisco ios 11.2p • cisco ios 11.2sa • cisco ios 11.3 • cisco ios 11.3t • cisco ios 12.0 • cisco ios 12.0da • cisco ios 12.0db • cisco ios 12.0dc • cisco ios 12.0s • cisco ios 12.0sc • cisco ios 12.0sl • cisco ios 12.0sp • cisco ios 12.0st • cisco ios 12.0sx • cisco ios 12.0sy • cisco ios 12.0sz • cisco ios 12.0t • cisco ios 12.0w5 • cisco ios 12.0wc • cisco ios 12.0wt • cisco ios 12.0xa • cisco ios 12.0xb • cisco ios 12.0xc • cisco ios 12.0xd • cisco ios 12.0xe • cisco ios 12.0xf • cisco ios 12.0xg • cisco ios 12.0xh • cisco ios 12.0xi • cisco ios 12.0xj • cisco ios 12.0xk • cisco ios 12.0xl • cisco ios 12.0xm • cisco ios 12.0xn • cisco ios 12.0xp • cisco ios 12.0xq • cisco ios 12.0xr • cisco ios 12.0xs • cisco ios 12.0xu • cisco ios 12.0xv • cisco ios 12.0xw • cisco ios 12.1 • cisco ios 12.1aa • cisco ios 12.1ax • cisco ios 12.1ay • cisco ios 12.1da • cisco ios 12.1db • cisco ios 12.1dc • cisco ios 12.1e • cisco ios 12.1ea • cisco ios 12.1eb • cisco ios 12.1ec • cisco ios 12.1ev • cisco ios 12.1ew … and 116 more

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References