Back to Database
Status published
Critical
CVE-2003-1398
Cisco IOS 12.0 through 12.2, when IP routing is disabled,...
Vulnerability Description
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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2003-1398
Credits & Attribution
No credits recorded in the NVD database.
References
More from cisco
View All →CVE-2025-27091
OpenH264 Decoding Functions Heap Overflow Vulnerability
High
8.6
CVE-2023-25653
Improper calculations in ECC implementation can trigger a Denial-of-Service (DoS)
High
7.5
CVE-2021-33478
The TrustZone implementation in certain Broadcom MediaxChange firmware could allow...
Medium
6.8
CVE-2020-16139
A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0...
High
7.5
CVE-2020-16138
A denial-of-service issue in Cisco Unified IP Conference Station 7937G...
High
7.5
Affected Vendor
cisco
View all reports →Affected Software
ios
Vulnerable Versions:
12.0, 12.0s, 12.0st, 12.0t, 12.1, 12.1e, 12.1t, 12.2, 12.2e, 12.2f, 12.2s, 12.2t
Timeline
Official Publish:
October 19th, 2007
Last Modified:
August 8th, 2024
Added to House:
July 18th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.