PT-2021-14242 · Unknown · Groupsession Zion+2

Ryo Sato · Published 2021-07-28 · Updated 2021-08-06 · CVE-2021-20787

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: GroupSession Free edition versions 2.2.0 through 5.0.x GroupSession byCloud versions 3.0.3 through 5.0.x GroupSession ZION versions 3.0.3 through 5.0.x

Description: A cross-site scripting issue allows a remote attacker to inject an arbitrary script by sending a specially crafted request to a specific URL.

Recommendations: For GroupSession Free edition versions 2.2.0 through 5.0.x, update to version 5.1.0 or later. For GroupSession byCloud versions 3.0.3 through 5.0.x, update to version 5.1.0 or later. For GroupSession ZION versions 3.0.3 through 5.0.x, update to version 5.1.0 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-20787

Affected Products

Groupsession Free Edition

Groupsession Zion

Groupsession Bycloud

References · 5

• https://osv.dev/vulnerability/CVE-2021-20787 · Vendor Advisory
• https://groupsession.jp/info/info-news/security202107 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20787 · Security Note
• https://t.me/cibsecurity/26611 · Telegram Post
• https://jvn.jp/en/jp/JVN86026700/index.html · Note