PT-2021-14312 · Unknown · Groupsession Zion+2

Takuma Shiga · Published 2021-12-24 · Updated 2022-01-10 · CVE-2021-20874

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: GroupSession Free edition versions 5.1.1 and earlier GroupSession byCloud versions 5.1.1 and earlier GroupSession ZION versions 5.1.1 and earlier

Description: The issue is related to incorrect permission assignment for a critical resource, allowing a remote unauthenticated attacker to access arbitrary files on the server and obtain sensitive information via unspecified vectors.

Recommendations: For GroupSession Free edition versions 5.1.1 and earlier, update to a version later than 5.1.1 to resolve the issue. For GroupSession byCloud versions 5.1.1 and earlier, update to a version later than 5.1.1 to resolve the issue. For GroupSession ZION versions 5.1.1 and earlier, update to a version later than 5.1.1 to resolve the issue. As a temporary workaround, consider restricting access to critical resources on the server until a patch is available.

Fix

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2021-20874

Affected Products

Groupsession Free Edition

Groupsession Zion

Groupsession Bycloud

References · 6

• https://osv.dev/vulnerability/CVE-2021-20874 · Vendor Advisory
• https://groupsession.jp/info/info-news/security20211220 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20874 · Security Note
• https://t.me/cvenotify/24875 · Telegram Post
• https://t.me/cibsecurity/34599 · Telegram Post
• https://jvn.jp/en/jp/JVN79798166/index.html · Note