CVE-2021-20874
Last modified
CVE-2021-20874 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Incorrect permission assignment for critical resource vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows a remote unauthenticated attacker to access arbitrary files on the server and obtain sensitive information via unspecified vectors.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.
Description
Incorrect permission assignment for critical resource vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows a remote unauthenticated attacker to access arbitrary files on the server and obtain sensitive information via unspecified vectors.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Groupsession | Groupsession | <= 5.1.1 |
References
- https://groupsession.jp/info/info-news/security20211220Vendor Advisory
- https://jvn.jp/en/jp/JVN79798166/index.htmlThird Party Advisory
- https://groupsession.jp/info/info-news/security20211220Vendor Advisory
- https://jvn.jp/en/jp/JVN79798166/index.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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