PT-2021-14257 · Cybozu · Cybozu Remote Service

Published 2021-10-13 · Updated 2021-10-19 · CVE-2021-20803

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

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

Description: The issue allows a remote authenticated attacker to bypass operation restrictions in the management screen, enabling them to alter the data of the management screen.

Recommendations: For Cybozu Remote Service versions 3.1.8 through 3.1.9, consider restricting access to the management screen until a fix is available. As a temporary workaround, limit the privileges of authenticated users to prevent data alteration.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-20803

Affected Products

Cybozu Remote Service

References · 4

• https://osv.dev/vulnerability/CVE-2021-20803 · Vendor Advisory
• https://kb.cybozu.support/article/37421 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20803 · Security Note
• https://jvn.jp/en/jp/JVN52694228/index.html · Note