Vulnerability · Published Apr 8, 2021 · Assigned by cisco

CVE-2021-1485Cisco IOS XR Software Command Injection Vulnerability

Medium 6.6

In plain English

A medium-severity argument injection in Cisco IOS XR Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium

Exploit odds (30 days)0.3%top 73.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges on the underlying Linux operating system (OS) of an affected device. This vulnerability is due to insufficient input validation of commands that are supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to an affected command. A successful exploit could allow the attacker to execute commands on the underlying Linux OS with root privileges.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco IOS XR Software	n/a

Weakness: CWE-88 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

References

20210407 Cisco IOS XR Software Command Injection Vulnerability vendor-advisory, x_refsource_CISCO