Multiple vulnerabilities in Cisco SD-WAN vManage



Published: 2021-03-04
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-1464
CVE-2021-1462
CWE-ID CWE-285
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco SD-WAN vManage
Other software / Other software solutions

Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authorization

EUVDB-ID: #VU51227

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1464

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to insufficient authorization checks. A remote authenticated attacker can send specially crafted requests to bypass authorization checks and gain restricted access to the configuration data of the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: before 20.4.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-authorization-b-GUEpSLK


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU51229

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1462

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly impose security restrictions in the CLI. A local administrator can create a malicious file, which the system would parse at a later time and obtain root privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: before 20.4.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-vman-kth3c82B


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.



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