CVE-2021-20876
Last modified
CVE-2021-20876 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Path traversal 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 an attacker with an administrative privilege to obtain sensitive information stored in the hierarchy above the directory on the published site's server via unspecified vectors.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
Description
Path traversal 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 an attacker with an administrative privilege to obtain sensitive information stored in the hierarchy above the directory on the published site's server via unspecified vectors.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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
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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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