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MEDIUM · 6.7

CVE-2021-34722

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary comman...

Vulnerability Description

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CiscoIos Xr>= 7.1.1, < 7.3.2
CiscoAsr 9000V-V2-
CiscoAsr 9001-
CiscoAsr 9006-
CiscoAsr 9010-
CiscoAsr 9901-
CiscoAsr 9902-
CiscoAsr 9903-
CiscoAsr 9904-
CiscoAsr 9906-
CiscoAsr 9910-
CiscoAsr 9912-
CiscoAsr 9922-
CiscoIos Xrv-
CiscoIos Xrv 9000-
CiscoNcs 520-
CiscoNcs 540-
CiscoNcs 540 Fronthaul-
CiscoNcs 560-4-
CiscoNcs 560-7-

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2021-34722?

CVE-2021-34722 is a vulnerability with a CVSS score of 6.7 (MEDIUM). Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary comman...

How severe is CVE-2021-34722?

CVE-2021-34722 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-2021-34722?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xr, Cisco Asr 9000V-V2, Cisco Asr 9001, Cisco Asr 9006, Cisco Asr 9010.