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CVE-2003-1398

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages,...

9.3 High

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

Exploit likelihood

1.85%Up 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

Record
CVE-2003-1398
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-200
Updated
2026-11-02
CVE List No score

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

Record
CVE-2003-1398
Updated
2026-11-02
EUVDEUVD-2003-1388 No score

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

Record
EUVD-2003-1388
Updated
2026-11-03
GitHub AdvisoriesGHSA-g5ww-8j5m-f3wq No score

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages,...

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

Record
GHSA-g5ww-8j5m-f3wq
Weakness
CWE-200
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-1398 is a high vulnerability (CVSS 9.3) in Cisco Ios, published December 31, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.85%, the 79th percentile. No source names a fixed version.

References

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