Vulnerability Details : CVE-2021-20874
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.
Products affected by CVE-2021-20874
- cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:*
- cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:*
- cpe:2.3:a:groupsession:groupsession:*:*:*:*:cloud:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20874
0.64%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20874
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-20874
-
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20874
-
https://jvn.jp/en/jp/JVN79798166/index.html
JVN#79798166: Multiple vulnerabilities in GroupSessionThird Party Advisory
-
https://groupsession.jp/info/info-news/security20211220
Vendor Advisory
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