Vulnerability identifier: #VU53756

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-2021-1528

CWE-ID: CWE-250

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco SD-WAN vBond Orchestrator
Other software / Other software solutions
Cisco SD-WAN vManage
Other software / Other software solutions
Cisco SD-WAN vEdge Cloud Router
Hardware solutions / Routers & switches, VoIP, GSM, etc
Cisco SD-WAN vEdge Routers
Hardware solutions / Routers & switches, VoIP, GSM, etc
Cisco SD-WAN vSmart Controller
Hardware solutions / Other hardware appliances

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists due to the affected software does not properly restrict access to privileged processes. A local user can invoke a privileged process in the affected system and perform actions with the privileges of the root user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vBond Orchestrator: 20.4 - 20.5

Cisco SD-WAN vEdge Cloud Router: 20.4 - 20.5

Cisco SD-WAN vEdge Routers: 20.4 - 20.5

Cisco SD-WAN vManage: 20.4 - 20.5

Cisco SD-WAN vSmart Controller: 20.4 - 20.5

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-fuErCWwF

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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.