CVE-2021-20876

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.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory groupsession.jp
Affected: Japan Total System Co.,Ltd. GroupSession Free edition, GroupSession byCloud, GroupSession ZION
Published at:
Updated at:

References

Link Tags
https://groupsession.jp/info/info-news/security20211220 vendor advisory
https://jvn.jp/en/jp/JVN79798166/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20876?
CVE-2021-20876 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20876?
To fix CVE-2021-20876, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20876 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20876 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20876?
CVE-2021-20876 affects Japan Total System Co.,Ltd. GroupSession Free edition, GroupSession byCloud, GroupSession ZION.
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