Detections
Analytics

CVE-2020-7796

critical

Description

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

References

https://securityaffairs.com/195130/hacking/update-now-critical-zimbra-classic-web-client-flaw-could-expose-mailboxes.html

https://securityaffairs.com/188243/hacking/u-s-cisa-adds-dell-recoverpoint-and-gitlab-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://thehackernews.com/2026/02/cisa-flags-four-security-flaws-under.html

https://securityaffairs.com/188163/uncategorized/u-s-cisa-adds-google-chromium-css-microsoft-windows-teamt5-threatsonar-anti-ransomware-and-zimbra-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.cisa.gov/news-events/alerts/2026/02/17/cisa-adds-four-known-exploited-vulnerabilities-catalog

https://thehackernews.com/2025/03/over-400-ips-exploiting-multiple-ssrf.html

https://www.greynoise.io/blog/new-ssrf-exploitation-surge

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7796

https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P7

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-28728

Details

Source: Mitre, NVD

Published: 2020-02-18

Updated: 2026-06-17

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.84418