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Vulnerability record · CVE-2003-0100 · published 3 March 2003

CVE-2003-0100: Cisco ios vulnerability

Cisco · Ios

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.

7.5 CVSS 2.0 High EPSS 9.6% · top 4.7%
7.5CVSS 2.0 base score
9.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=104576100719090&w=2
http://marc.info/?l=bugtraq&m=104587206702715&w=2
http://www.iss.net/security_center/static/11373.php Vendor Advisory
http://www.securityfocus.com/bid/6895
http://marc.info/?l=bugtraq&m=104576100719090&w=2
http://marc.info/?l=bugtraq&m=104587206702715&w=2
http://www.iss.net/security_center/static/11373.php Vendor Advisory
http://www.securityfocus.com/bid/6895

Track CVE-2003-0100 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-0100), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.