SSRF in Groupsession
CVE-2021-20788
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Groupsession
- Groupsession Groupsession_bycloud
- Groupsession Groupsession_zion
- Japan Total System Co.,ltd. Groupsession — versions 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
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-20788?
- CVE-2021-20788 is a medium-severity vulnerability in Groupsession, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2021-07-30.
- How severe is CVE-2021-20788?
- Medium severity. CVSS v3 base score is 4.3 out of 10.