CVE Catalog

CVE-2015-0646

High
Published: Translated: NVD NIST

Summary

A memory leak in the TCP input module in Cisco IOS allows remote attackers to cause a denial of service by sending crafted TCP packets. This can lead to memory consumption or device reload.

Risk Assessment

The memory leak can cause significant disruptions in the operation of network devices, potentially affecting the availability of services within the organization.

Recommendation

It is recommended to update Cisco IOS to the latest version to mitigate this vulnerability and to monitor TCP traffic for potential attacks.

Related vulnerabilities

Original NVD description (English source)

Memory leak in the TCP input module in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.3.xXO, 3.5.xE, 3.6.xE, 3.8.xS through 3.10.xS before 3.10.5S, and 3.11.xS and 3.12.xS before 3.12.3S allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted TCP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCum94811.

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