CVE-2021-1353

A vulnerability in the IPv4 protocol handling of Cisco StarOS could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a memory leak that occurs during packet processing. An attacker could exploit this vulnerability by sending a series of crafted IPv4 packets through an affected device. A successful exploit could allow the attacker to exhaust the available memory and cause an unexpected restart of the npusim process, leading to a DoS condition on the affected device.

Score

CVSS 3.1 8.6 High

Status

Modified - psirt@cisco.com

Published

2021-01-20

Last modified

2024-11-12

Weaknesses

CWE-401

Affected products

• Cisco Asr 5000 Series Software (Cisco)
• Staros (Cisco)
• Virtualized Packet Core-single Instance (Cisco)

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr-mem-leak-dos-MTWGHKk3