CVE-2003-0100
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of...
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.
- Record
CVE-2003-0100- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.
- Record
CVE-2003-0100- Updated
- 2026-11-02
EUVDEUVD-2003-0096 No score
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.
- Record
EUVD-2003-0096- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r22w-p944-mxwf No score
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of...
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.
- Record
GHSA-r22w-p944-mxwf- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Cisco IOS 11/12 - OSPF Neighbor Buffer Overflow | 2003-02-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-0100 is a high vulnerability (CVSS 7.5) in Cisco Ios, published March 3, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.62%, the 95th percentile. No source names a fixed version.