SB2021012616 - Multiple vulnerabilities in Cisco SD-WAN vManage

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper Authorization (CVE-ID: CVE-2021-1302)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to insufficient authorization checks in the web-based management interface. A remote authenticated attacker can send a specially crafted HTTP request, bypass authorization and connect to other vManage tenants.

2) Improper Authorization (CVE-ID: CVE-2021-1304)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to access sensitive information on the system.

The vulnerability exists due to insufficient authorization checks in the web-based management interface SSH console. A remote authenticated attacker can access sensitive information on the target system.

3) Improper Authorization (CVE-ID: CVE-2021-1305)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to access sensitive information on the system.

The vulnerability exists due to insufficient authorization checks of user account privileges in the web-based management interface. A remote authenticated attacker can access sensitive information on the target system.

Remediation

Install update from vendor's website.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-abyp-TnGFHrS