CVE-2021-1370
Severity CVSS v4.0:
Pending analysis
Type:
CWE-78
OS Command Injections
Publication date:
04/02/2021
Last modified:
08/02/2021
Description
A vulnerability in a CLI command of Cisco IOS XR Software for the Cisco 8000 Series Routers and Network Convergence System 540 Series Routers running NCS540L software images could allow an authenticated, local attacker to elevate their privilege to root. To exploit this vulnerability, an attacker would need to have a valid account on an affected device. The vulnerability is due to insufficient validation of command line arguments. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the prompt. A successful exploit could allow an attacker with low-level privileges to escalate their privilege level to root.
Impact
Base Score 3.x
7.80
Severity 3.x
HIGH
Base Score 2.0
7.20
Severity 2.0
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* | 7.0.12 (excluding) | |
| cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* | 7.1.0 (including) | 7.2.1 (excluding) |
| cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:cisco:8808:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:cisco:8812:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:cisco:8818:-:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* | 7.2.1 (excluding) | |
| cpe:2.3:h:cisco:ncs_540:-:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page