Vulnerability Description
Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios Xr | < 7.0.12 |
| Cisco | 8201 | - |
| Cisco | 8202 | - |
| Cisco | 8808 | - |
| Cisco | 8812 | - |
| Cisco | 8818 | - |
| Cisco | Ncs 540 | - |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iVendor Advisory
FAQ
What is CVE-2021-1244?
CVE-2021-1244 is a vulnerability with a CVSS score of 6.7 (MEDIUM). Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Route...
How severe is CVE-2021-1244?
CVE-2021-1244 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-1244?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xr, Cisco 8201, Cisco 8202, Cisco 8808, Cisco 8812.