PT-2021-14249 · Cybozu · Cybozu Remote Service

Masaaki Chida · Published 2021-10-13 · Updated 2021-10-19 · CVE-2021-20795

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Cybozu Remote Service versions 3.1.8 through 3.1.9

Description: A cross-site request forgery (CSRF) issue exists in the management screen, allowing a remote attacker to hijack the authentication of administrators. This could lead to unintended operations being performed.

Recommendations: For Cybozu Remote Service versions 3.1.8 through 3.1.9, consider implementing additional security measures to prevent CSRF attacks, such as validating request tokens or restricting access to the management screen until a patch is available.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-20795

Affected Products

Cybozu Remote Service

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-20795 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20795 · Vendor Advisory
• https://kb.cybozu.support/article/37422 · Vendor Advisory
• https://jvn.jp/en/jp/JVN52694228/index.html · Note