CRITICAL CISA KEV

CVE-2020-7796

CVSS v3

9.8

CRITICAL

EPSS Score

93.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is installed and zimlet JSP is enabled.

CISA Known Exploited Vulnerability

Date Added
2/17/2026
Patch Due Date
3/10/2026
Ransomware Use
Unknown

Technical details

Published
2/18/2020

Frequently asked questions

What is CVE-2020-7796?

Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is installed and zimlet JSP is enabled.

Is CVE-2020-7796 actively exploited?

Yes. CVE-2020-7796 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 3/10/2026.

What is the CVSS score for CVE-2020-7796?

CVE-2020-7796 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-7796 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.