Vulnerability identifier: #VU51719

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1382

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco SD-WAN
Client/Desktop applications / Virtualization software
Cisco IOS XE SD-WAN
Other software / Other software solutions
Cisco IOS XE
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation in certain CLI commands in Cisco IOS XE SD-WAN Software. A local uprivileged user can execute arbitrary OS commands on the target system with root privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN: 17.3.2

Cisco IOS XE SD-WAN: 17.3.2

Cisco IOS XE: 17.2.1 - 17.2.1EFT

---

External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7m
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw64828

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.