CVE-2021-20788
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductGroupsession
PublishedJul 30, 2021
First seenJul 30, 2021
How to fix
Update
- groupsession groupsession5.1.0 or later
- groupsession groupsession_bycloud5.1.0 or later
- groupsession groupsession_zion5.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| groupsession groupsession | 2.20 ≤ v < 5.1.0 | 5.1.0 |
| groupsession groupsession_bycloud | 3.0.3 ≤ v < 5.1.0 | 5.1.0 |
| groupsession groupsession_zion | 3.0.3 ≤ v < 5.1.0 | 5.1.0 |
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