QID 316901

QID 316901: Cisco IOS XE Software Hardware Initialization Routines Arbitrary Code Execution Vulnerability(cisco-sa-ios-xe-iot-codexec-k46EFF6q)

A vulnerability in the hardware initialization routines of Cisco IOS XE Software for
Cisco 1100 Series Industrial Integrated Services Routers and Cisco ESR6300 Embedded Series Routers
could allow an authenticated, local attacker to execute unsigned code at system boot time.

Affected Products
Cisco routers if they are running a vulnerable release of Cisco IOS XE Software: 1100 Series Industrial Integrated Services Routers ESR6300 Embedded Series Router

QID Detection Logic (Authenticated):
The check matches Cisco IOS XE version retrieved via Unix Auth using "show version" command.
QID Detection Logic (Unauthenticated):
The check matches Cisco IOS XE version retrieved via SNMP or TCP/IP Fingerprint or NTP or Telnet.

A successful exploit could allow the attacker to execute unsigned code at boot time
and bypass the software image verification check part of the
secure boot process of an affected device.

  • CVSS V3 rated as High - 6.7 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution

    Customers are advised to refer to cisco-sa-ios-xe-iot-codexec-k46EFF6q for more information.

    Vendor References

    CVEs related to QID 316901

    CVE-2021-1441 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-ios-xe-iot-codexec-k46EFF6q URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-iot-codexec-k46EFF6q
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