CVE-2020-36902

Description

UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
medivision	medivision_digital_signage_firmware	All
medivision	medivision_digital_signage	All

References

Exploits

https://www.exploit-db.com/exploits/48684 https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5575.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5575.php

Other References

http://www.medivision.co.kr https://www.vulncheck.com/advisories/ubicod-medivision-digital-signage-authorization-bypass-via-user-privileges

Frequently Asked Questions

What is CVE-2020-36902? +

UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-36902? +

CVE-2020-36902 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2020-36902? +

CVE-2020-36902 affects products from medivision, specifically: medivision_digital_signage, medivision_digital_signage_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-36902? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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