Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Staros | < 21.22.0 |
| Cisco | Asr 5000 | - |
| Cisco | Asr 5500 | - |
| Cisco | Asr 5700 | - |
| Cisco | Virtualized Packet Core-Single Instance | - |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
FAQ
What is CVE-2021-1353?
CVE-2021-1353 is a vulnerability with a CVSS score of 5.8 (MEDIUM). 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 d...
How severe is CVE-2021-1353?
CVE-2021-1353 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-1353?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Staros, Cisco Asr 5000, Cisco Asr 5500, Cisco Asr 5700, Cisco Virtualized Packet Core-Single Instance.