Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2021-34719 Details

Description

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. For more information about these vulnerabilities, see the Details section of this advisory.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf	CVE	Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]

Affected Products

Product	Versions
cisco ios xr	< 7.3.2 >= 7.4.0, <= 7.4.1 >= 7.4.0, < 7.4.1
CPE cpe:2.3:o:cisco:ios_xr:::::::: Remediation No remediation found in references.
cisco asr 9000v-v2	All versions
CPE cpe:2.3:h:cisco:asr_9000v-v2:-:::::::* Remediation No remediation found in references.
cisco asr 9001	All versions
CPE cpe:2.3:h:cisco:asr_9001:-:::::::* Remediation No remediation found in references.
cisco asr 9006	All versions
CPE cpe:2.3:h:cisco:asr_9006:-:::::::* Remediation No remediation found in references.
cisco asr 9010	All versions
CPE cpe:2.3:h:cisco:asr_9010:-:::::::* Remediation No remediation found in references.
cisco asr 9901	All versions
CPE cpe:2.3:h:cisco:asr_9901:-:::::::* Remediation No remediation found in references.
cisco asr 9902	All versions
CPE cpe:2.3:h:cisco:asr_9902:-:::::::* Remediation No remediation found in references.
cisco asr 9903	All versions
CPE cpe:2.3:h:cisco:asr_9903:-:::::::* Remediation No remediation found in references.
cisco asr 9904	All versions
CPE cpe:2.3:h:cisco:asr_9904:-:::::::* Remediation No remediation found in references.
cisco asr 9906	All versions
CPE cpe:2.3:h:cisco:asr_9906:-:::::::* Remediation No remediation found in references.
cisco asr 9910	All versions
CPE cpe:2.3:h:cisco:asr_9910:-:::::::* Remediation No remediation found in references.
cisco asr 9912	All versions
CPE cpe:2.3:h:cisco:asr_9912:-:::::::* Remediation No remediation found in references.
cisco asr 9922	All versions
CPE cpe:2.3:h:cisco:asr_9922:-:::::::* Remediation No remediation found in references.
cisco ios xrv	All versions
CPE cpe:2.3:h:cisco:ios_xrv:-:::::::* Remediation No remediation found in references.
cisco ios xrv 9000	All versions
CPE cpe:2.3:h:cisco:ios_xrv_9000:-:::::::* Remediation No remediation found in references.
cisco ncs 520	All versions
CPE cpe:2.3:h:cisco:ncs_520:-:::::::* Remediation No remediation found in references.
cisco ncs 540	All versions
CPE cpe:2.3:h:cisco:ncs_540:-:::::::* Remediation No remediation found in references.
cisco ncs 540 fronthaul	All versions
CPE cpe:2.3:h:cisco:ncs_540_fronthaul:-:::::::* Remediation No remediation found in references.
cisco ncs 560-4	All versions
CPE cpe:2.3:h:cisco:ncs_560-4:-:::::::* Remediation No remediation found in references.
cisco ncs 560-7	All versions
CPE cpe:2.3:h:cisco:ncs_560-7:-:::::::* Remediation No remediation found in references.
cisco ncs 5001	All versions
CPE cpe:2.3:h:cisco:ncs_5001:-:::::::* Remediation No remediation found in references.
cisco ncs 5002	All versions
CPE cpe:2.3:h:cisco:ncs_5002:-:::::::* Remediation No remediation found in references.
cisco ncs 5011	All versions
CPE cpe:2.3:h:cisco:ncs_5011:-:::::::* Remediation No remediation found in references.
cisco ncs 4009	All versions
CPE cpe:2.3:h:cisco:ncs_4009:-:::::::* Remediation No remediation found in references.
cisco ncs 4016	All versions
CPE cpe:2.3:h:cisco:ncs_4016:-:::::::* Remediation No remediation found in references.
cisco ncs 5501	All versions
CPE cpe:2.3:h:cisco:ncs_5501:-:::::::* Remediation No remediation found in references.
cisco ncs 5501-se	All versions
CPE cpe:2.3:h:cisco:ncs_5501-se:-:::::::* Remediation No remediation found in references.
cisco ncs 5502	All versions
CPE cpe:2.3:h:cisco:ncs_5502:-:::::::* Remediation No remediation found in references.
cisco ncs 5502-se	All versions
CPE cpe:2.3:h:cisco:ncs_5502-se:-:::::::* Remediation No remediation found in references.
cisco ncs 5508	All versions
CPE cpe:2.3:h:cisco:ncs_5508:-:::::::* Remediation No remediation found in references.
cisco ncs 5516	All versions
CPE cpe:2.3:h:cisco:ncs_5516:-:::::::* Remediation No remediation found in references.
cisco ncs 6000	All versions
CPE cpe:2.3:h:cisco:ncs_6000:-:::::::* Remediation No remediation found in references.
cisco ncs 6008	All versions
CPE cpe:2.3:h:cisco:ncs_6008:-:::::::* Remediation No remediation found in references.
cisco ncs 1001	All versions
CPE cpe:2.3:h:cisco:ncs_1001:-:::::::* Remediation No remediation found in references.
cisco ncs 1002	All versions
CPE cpe:2.3:h:cisco:ncs_1002:-:::::::* Remediation No remediation found in references.
cisco ncs 1004	All versions
CPE cpe:2.3:h:cisco:ncs_1004:-:::::::* Remediation No remediation found in references.
cisco 8101-32fh	All versions
CPE cpe:2.3:h:cisco:8101-32fh:-:::::::* Remediation No remediation found in references.
cisco 8101-32h	All versions
CPE cpe:2.3:h:cisco:8101-32h:-:::::::* Remediation No remediation found in references.
cisco 8102-64h	All versions
CPE cpe:2.3:h:cisco:8102-64h:-:::::::* Remediation No remediation found in references.
cisco 8201	All versions
CPE cpe:2.3:h:cisco:8201:-:::::::* Remediation No remediation found in references.
cisco 8201-32fh	All versions
CPE cpe:2.3:h:cisco:8201-32fh:-:::::::* Remediation No remediation found in references.
cisco 8202	All versions
CPE cpe:2.3:h:cisco:8202:-:::::::* Remediation No remediation found in references.
cisco 8804	All versions
CPE cpe:2.3:h:cisco:8804:-:::::::* Remediation No remediation found in references.
cisco 8808	All versions
CPE cpe:2.3:h:cisco:8808:-:::::::* Remediation No remediation found in references.
cisco 8812	All versions
CPE cpe:2.3:h:cisco:8812:-:::::::* Remediation No remediation found in references.
cisco 8818	All versions
CPE cpe:2.3:h:cisco:8818:-:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Sep 21, 2021	Initial Analysis	[email protected]
Sep 9, 2021	CVE Modified	[email protected]

CVE-2021-34719 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation