CriticalCVECISA — Known Exploited Vulnerabilities· 17 Feb 2026

CVE-2020-7796 — Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability

Severity: Critical · Kind: Vulnerability

What it is

AI offline placeholder summary for: Title: CVE-2020-7796 — Synacor Zimbra Collaboration Suite (ZCS) Server-Side Requ.

Who this affects

AI summarisation is currently disabled — see the source link for the full upstream advisory.

What to do

Re-run summarisation from /admin/threats once ANTHROPIC_API_KEY is configured.

From the source

Synacor Zimbra Collaboration Suite. Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery vulnerability if WebEx zimlet installed and zimlet JSP is enabled. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vulnerability facts

CVE
CVE-2020-7796
On CISA KEV since
2026-02-17
Ransomware use
Unknown

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.