Multiple vulnerabilities in Cisco IOS XR, including privilege escalation and denial-of-service flaws, could allow a remote attacker to cause a denial of service condition or execute remote code on targeted systems. The article references three distinct advisories for specific vulnerabilities but does not provide CVSS scores or explicit affected version ranges within the summary text. Administrators must apply the fixes provided in the linked Cisco security advisories.
Multiple vulnerabilities were identified in Cisco IOS XR. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition and remote code execution on the targeted system. Impact Denial of Service Remote Code Execution System / Technologies affected Cisco IOS XR For affected devices, please refer to the link issued by the vendor: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN Solutions Before installation of the software, please visit the vendor web-site for more details. Apply fixes issued by the vendor: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN