CVE-2021-20874
GroupSession Arbitrary File Access Remote Information Disclosure
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.
INFO
Published Date :
Dec. 24, 2021, 7:15 a.m.
Last Modified :
Nov. 21, 2024, 5:47 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-20874.
| URL | Resource |
|---|---|
| https://groupsession.jp/info/info-news/security20211220 | Vendor Advisory |
| https://jvn.jp/en/jp/JVN79798166/index.html | Third Party Advisory |
| https://groupsession.jp/info/info-news/security20211220 | Vendor Advisory |
| https://jvn.jp/en/jp/JVN79798166/index.html | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20874 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-20874
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-20874 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20874 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://groupsession.jp/info/info-news/security20211220 Added Reference https://jvn.jp/en/jp/JVN79798166/index.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 10, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://groupsession.jp/info/info-news/security20211220 No Types Assigned https://groupsession.jp/info/info-news/security20211220 Vendor Advisory Changed Reference Type https://jvn.jp/en/jp/JVN79798166/index.html No Types Assigned https://jvn.jp/en/jp/JVN79798166/index.html Third Party Advisory Added CWE NIST CWE-732 Added CPE Configuration OR *cpe:2.3:a:groupsession:groupsession:*:*:*:*:cloud:*:*:* versions up to (including) 5.1.1 *cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:* versions up to (including) 5.1.1 *cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:* versions up to (including) 5.1.1
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.64 }} -0.60%
score
0.68077
percentile