CVE-2020-7796
CriticalPublished
Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability
- Published
- Feb 18, 2020
- Updated
- Feb 18, 2026
- Assigning CNA
- mitre
- Evidence observed
- Feb 17, 2026
Primary CVSS
9.8/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H84.4%
High · next 30 days
- Percentile
- 99.7%
- Model date
- Oct 16, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is installed and zimlet JSP is enabled.
Sources
Repository evidence: Files: 1 · Repositories: 1
1 Template
http/cves/2020/CVE-2020-7796.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: word($.matchers[*].type)
- oob: interactsh_reference($.template_text)
Responsible use
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