Incorrect default permissions in WISE-PaaS/OTA - CVE-2021-40397

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Main Vulnerability Database Vulnerabilities #VU59821

Incorrect default permissions in WISE-PaaS/OTA - CVE-2021-40397

Published: January 19, 2022


Vulnerability identifier: #VU59821
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Green
CVE-ID: CVE-2021-40397
CWE-ID: CWE-276
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
WISE-PaaS/OTA

Detailed vulnerability description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions in the installation. A remote authenticated attacker can send a specially crafted file and gain elevated privileges on the system.


How to mitigate CVE-2021-40397

Install updates from vendor's website.

Sources