CVE-2021-20788

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

Server-side request forgery (SSRF) 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 ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote authenticated attacker to conduct a port scan from the product and/or obtain information from the internal Web server.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published: Jul 30, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-207896.1Open redirect vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud CVE-2021-20798.2Vulnerability in the Oracle Configurator product of Oracle Supply Chain (component: UI Servlet). Supported versions that are affected are 12 CVE-2021-207909.6Improper control of program execution vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker to execute an arbitrary comm CVE-2021-207919.3Improper access control vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker to bypass access restriction and to exchan CVE-2021-207926.1Cross-site scripting vulnerability in Quiz And Survey Master versions prior to 7.1.14 allows a remote attacker to inject arbitrary script vi CVE-2021-207937.8Untrusted search path vulnerability in the installer of Sony Audio USB Driver V1.10 and prior and the installer of HAP Music Transfer Ver.1.CVE-2021-207958.8Cross-site request forgery (CSRF) vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to CVE-2021-207966.5Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload a CVE-2021-207975.4Cross-site script inclusion vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to CVE-2021-207985.4Cross-site scripting vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker t CVE-2021-207995.4Cross-site scripting vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker t CVE-2021-20808.2Vulnerability in the Oracle Configurator product of Oracle Supply Chain (component: UI Servlet). Supported versions that are affected are 12