CVE Catalog

CVE-2015-0681

High
Published: Translated: NVD NIST

Summary

The TFTP server in Cisco IOS and IOS XE before version 3.6.0S has a vulnerability that allows remote attackers to cause a denial of service by sending multiple requests, leading to improper memory management.

Risk Assessment

Attackers can cause device hangs or reloads, potentially leading to service availability disruptions within the organization.

Recommendation

It is recommended to update the software to the latest version to mitigate this vulnerability and to monitor traffic to the TFTP server for potential attacks.

Related vulnerabilities

Original NVD description (English source)

The TFTP server in Cisco IOS 12.2(44)SQ1, 12.2(33)XN1, 12.4(25e)JAM1, 12.4(25e)JAO5m, 12.4(23)JY, 15.0(2)ED1, 15.0(2)EY3, 15.1(3)SVF4a, and 15.2(2)JB1 and IOS XE 2.5.x, 2.6.x, 3.1.xS, 3.2.xS, 3.3.xS, 3.4.xS, and 3.5.xS before 3.6.0S; 3.1.xSG, 3.2.xSG, and 3.3.xSG before 3.4.0SG; 3.2.xSE before 3.3.0SE; 3.2.xXO before 3.3.0XO; 3.2.xSQ; 3.3.xSQ; and 3.4.xSQ allows remote attackers to cause a denial of service (device hang or reload) via multiple requests that trigger improper memory management, aka Bug ID CSCts66733.

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