CVE Catalog

CVE-2001-0751

High
Published: Translated: NVD NIST

Summary

Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections.

Risk Assessment

Attackers can take control of TCP connections, potentially leading to unauthorized access to data or services on the network.

Recommendation

It is recommended to update the software to the latest version to eliminate the issue with predictable TCP sequence numbers.

Related vulnerabilities

Original NVD description (English source)

Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections.

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