QID 317035

Date Published: 2021-09-09

QID 317035: Cisco Internetwork Operating System (IOS) XR Software Authenticated User Privilege Escalation Vulnerabilities (cisco-sa-iosxr-privescal-dZYMrKf)

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated,
local attacker with a low-privileged account to elevate privileges on an affected device.

Affected Products
Cisco IOS XR Software releases earlier than Release 7.3.2 and earlier than Release 7.4.1.

QID Detection Logic (Authenticated):
The check matches Cisco IOS XR version retrieved via Unix Auth using "show version" command.

A successful exploit could allow the attacker to execute arbitrary commands as root.

  • CVSS V2 rated as High - 7.5 severity.
    • Solution

    Customers are advised to refer to cisco-sa-iosxr-privescal-dZYMrKf for more information.

    Vendor References

    CVEs related to QID 317035

    CVE-2021-34719 | CVE-2021-34728 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-iosxr-privescal-dZYMrKf URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf
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