Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-34728

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.

Published

2021-09-09T05:15:11.870

Last Modified

2024-11-21T06:11:03.867

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-78
  • Type: Primary
    CWE-78
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco asr_9000v-v2 - No
Hardware cisco asr_9001 - No
Hardware cisco asr_9006 - No
Hardware cisco asr_9010 - No
Hardware cisco asr_9901 - No
Hardware cisco asr_9902 - No
Hardware cisco asr_9903 - No
Hardware cisco asr_9904 - No
Hardware cisco asr_9906 - No
Hardware cisco asr_9910 - No
Hardware cisco asr_9912 - No
Hardware cisco asr_9922 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco ios_xrv - No
Hardware cisco ios_xrv_9000 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco ncs_520 - No
Hardware cisco ncs_540 - No
Hardware cisco ncs_540_fronthaul - No
Hardware cisco ncs_560-4 - No
Hardware cisco ncs_560-7 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco ncs_5001 - No
Hardware cisco ncs_5002 - No
Hardware cisco ncs_5011 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco ncs_4009 - No
Hardware cisco ncs_4016 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco ncs_5501 - No
Hardware cisco ncs_5501-se - No
Hardware cisco ncs_5502 - No
Hardware cisco ncs_5502-se - No
Hardware cisco ncs_5508 - No
Hardware cisco ncs_5516 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco ncs_6000 - No
Hardware cisco ncs_6008 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco ncs_1001 - No
Hardware cisco ncs_1002 - No
Hardware cisco ncs_1004 - No
Operating System cisco ios_xr < 7.3.2 Yes
Operating System cisco ios_xr < 7.4.1 Yes
Hardware cisco 8101-32fh - No
Hardware cisco 8101-32h - No
Hardware cisco 8102-64h - No
Hardware cisco 8201 - No
Hardware cisco 8201-32fh - No
Hardware cisco 8202 - No
Hardware cisco 8804 - No
Hardware cisco 8808 - No
Hardware cisco 8812 - No
Hardware cisco 8818 - No
References