Vulnerability Monitor

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CVE-2021-1382

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root privileges.

Published

2021-03-24T20:15:13.353

Last Modified

2024-11-21T05:44:13.500

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.0 (MEDIUM)

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-77
Type: Primary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios_xe	< 17.3.3	Yes
Operating System	cisco	ios_xe	≤ 17.4.2	Yes
Operating System	cisco	ios_xe	< 17.5.1a	Yes
Operating System	cisco	ios_xe	< 17.6.1a	Yes

References

https://github.com/orangecertcc/security-research/security/advisories/GHSA-7xfm-92p7-qc57 Exploit, Third Party Advisory ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7m Vendor Advisory ([email protected])
https://github.com/orangecertcc/security-research/security/advisories/GHSA-7xfm-92p7-qc57 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7m Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)