CVE-2021-20788 is a server-side request forgery (SSRF) vulnerability affecting GroupSession Free (versions 2.2.0 to 5.0.x), GroupSession byCloud (versions 3.0.3 to 5.0.x), and GroupSession ZION (versions 3.0.3 to 5.0.x). This medium-severity vulnerability (CVSS 4.3) allows an authenticated remote attacker to perform port scans or retrieve information from internal web servers. While the attack complexity is low, the impact is limited to confidentiality, with no known active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.20, < 5.1.0CPE matchmatch criteria | cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:* | ||
>= 3.0.3, < 5.1.0CPE matchmatch criteria | cpe:2.3:a:groupsession:groupsession_bycloud:*:*:*:*:*:*:*:* | ||
>= 3.0.3, < 5.1.0CPE matchmatch criteria | cpe:2.3:a:groupsession:groupsession_zion:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.