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Groupsession

First CVE: Jun 9, 2017Active for: 9 yearsTotal CVEs: 20
11.3
VTI Score
Low

Groupsession maintains a narrowly scoped platform for collaborative communication and session management, with variants including cloud and on-premises deployments, that sits in a position of trust for user authentication and data handling. The vendor's vulnerability profile recurs consistently around application-layer weaknesses: cross-site scripting, open redirect, cross-site request forgery, authorization-bypass conditions tied to user-controlled keys, and exposure of sensitive information to unauthorized actors. These weakness classes reflect the vendor's role as a session and identity intermediary, where improper input handling, weak access controls, and insufficient isolation between user contexts create pathways for lateral movement and account takeover. Defenders should treat Groupsession deployments as sensitive infrastructure, prioritize identity-related patches, and restrict administrative interfaces; live severity, exploitation, and exposure counts are shown alongside this summary.

FAUCET AI Generated
20
Total CVEs
More Total CVEs than 96% of tracked vendors
1.7
Avg CVEs / Product / Year
More Avg CVEs / Product / Year than 79% of tracked vendors
5.5
Avg CVSS Score
Higher Avg CVSS Score than 23% of tracked vendors
0.0%
In CISA KEV
Bottom 1%

Trends Over Time

The number and severity of CVEs published that impact products developed by Groupsession over time

Volume of CVEsAvg CVSS Base Score
First CVE
Jun 9, 2017
9 years ago
Most Recent CVE
Dec 12, 2025
224 days ago

Products(3 total)

Top CVEs

Signals from CVEs in this vendor scope (20 CVEs).

20 CVEs · Highest risk first

CVEPublishedCVSSRiskKEVExploit
CVE-2021-20874HIGH
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 Z
Dec 24, 20217.525NONO
CVE-2021-20876MEDIUM
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 atta
Dec 24, 20216.823NONO
CVE-2021-20875MEDIUM
Open redirect 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
Dec 24, 20216.122NONO
CVE-2025-65120MEDIUM
Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1.
Dec 12, 20256.121NONO
CVE-2025-57883MEDIUM
Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2.
Dec 12, 20256.121NONO
CVE-2025-54407MEDIUM
Stored cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If
Dec 12, 20256.121NONO
CVE-2021-20789MEDIUM
Open redirect vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ve
Jul 30, 20216.121NONO
CVE-2025-66284MEDIUM
Stored cross-site scripting vulnerabilities exist in GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1. A
Dec 12, 20255.420NONO
CVE-2025-62192MEDIUM
SQL Injection vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If exploited, in
Dec 12, 20255.420NONO
CVE-2025-61987MEDIUM
GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. do not validate origins in WebSockets. If a user acces
Dec 12, 20255.320NONO
View all 20 CVEs →

CVE Severity & Scoring

Severity distribution of CVEs that affect this vendor's products20 CVEs
95%
Severity distribution among all CVEs352,231 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local0 (0.0%)
Network20 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low20 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None7 (35.0%)
Unknown0 (0.0%)
Required13 (65.0%)
Privileges Required
Low6 (30.0%)
High3 (15.0%)
None11 (55.0%)
Unknown0 (0.0%)

Exploit Exposure

Signals from CVEs in this vendor scope (20 CVEs).

CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%

Social Chatter

An overview of all social media posts that mention a CVE ID that affects a product developed by Groupsession.

Media Mentions

Media articles that mention a CVE ID that affects a product developed by Groupsession — matched by CVE ID, not by vendor name.

Top CNAs Publishing CVEs For Groupsession's Products

View all 1 CNAs →

Top CWEs