CVE Catalog

CVE-2003-0567

High
Published: Translated: NVD NIST

Summary

Cisco IOS versions 11.x and 12.0 through 12.2 allow 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.

Risk Assessment

Attackers can block network traffic, leading to service availability interruptions that may impact organizational operations.

Recommendation

It is recommended to update Cisco IOS to the latest version to mitigate the risk associated with this vulnerability.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS