CVE-2021-20874

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.64%
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-2021-20874?
CVE-2021-20874 has been scored as a high severity vulnerability.
How to fix CVE-2021-20874?
To fix CVE-2021-20874, 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-2021-20874 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20874 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20874?
CVE-2021-20874 affects Japan Total System Co.,Ltd. GroupSession Free edition, GroupSession byCloud, GroupSession ZION.
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