#VU56941 Path traversal in Cybozu Remote Service - CVE-2021-20796 

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Main Vulnerability Database Vulnerabilities #VU56941

#VU56941 Path traversal in Cybozu Remote Service - CVE-2021-20796

Published: September 30, 2021


Vulnerability identifier: #VU56941
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-20796
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cybozu Remote Service
Software vendor:
Cybozu

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the management screen. A remote authenticated attacker can send a specially crafted HTTP request and upload an arbitrary file on the system.


Remediation

Install update from vendor's website.

External links