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Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities

cisco-sa-ioxr-l-zNhcGCBt · High · Published · Updated

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. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address these vulnerabilities.

CVEsCVE-2021-1136, CVE-2021-1244
Cisco Bug IDsCSCvr07463, CSCvs70887
CVSS ScoreBase 6.7
Base 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco IOS XR Software

Related Products

Product CVE Evidence
Cisco Nexus Dashboard CVE-2021-1244 Cisco OpenVuln
Cisco Nexus Dashboard CVE-2021-1136 Cisco OpenVuln
Cisco Network Convergence System 540 Series CVE-2021-1244 Cisco OpenVuln
Cisco Network Convergence System 540 Series CVE-2021-1136 Cisco OpenVuln
Cisco IOS Software CVE-2021-1244 Cisco OpenVuln
Cisco IOS Software CVE-2021-1136 Cisco OpenVuln
Cisco 8000 Series Routers CVE-2021-1244 Cisco OpenVuln
Cisco 8000 Series Routers CVE-2021-1136 Cisco OpenVuln
Cisco IOS XR Software CVE-2021-1244 Cisco OpenVuln
Cisco IOS XR Software CVE-2021-1136 Cisco OpenVuln
Cisco IOS CVE-2021-1244 Cisco OpenVuln
Cisco IOS CVE-2021-1136 Cisco OpenVuln