PT-2021-14243 · Unknown · Groupsession Zion+2

Ryo Sato · Published 2021-07-28 · Updated 2021-08-06 · CVE-2021-20788

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: GroupSession Free edition versions 2.2.0 through 5.1.0 GroupSession byCloud versions 3.0.3 through 5.1.0 GroupSession ZION versions 3.0.3 through 5.1.0

Description: A server-side request forgery (SSRF) issue allows a remote authenticated attacker to conduct a port scan from the product and/or obtain information from the internal Web server.

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

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2021-20788

Affected Products

Groupsession Free Edition

Groupsession Zion

Groupsession Bycloud

References · 6

• https://osv.dev/vulnerability/CVE-2021-20788 · Vendor Advisory
• https://groupsession.jp/info/info-news/security202107 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20788 · Security Note
• https://jvn.jp/en/jp/JVN86026700/index.html · Note
• https://t.me/cvenotify/18800 · Telegram Post
• https://t.me/cibsecurity/26592 · Telegram Post