Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-7796

CVE-2020-7796CRITICAL

n/a n/a — Synacor Zimbra Collaboration Suite

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .8442   99.7   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Jan 22  Reserved by mitre
  Feb 18  Published (CNA: mitre)
  Feb 17  Added to CISA KEV, remediation due 2026-03-10

CWE-918 · CNA: mitre · CVSS v3.1 · 2 references · KEV due March 10, 2026

Description

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

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 22, 2020	Reserved	Reserved by mitre
February 18, 2020	Published	Published (CNA: mitre)
February 17, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-03-10

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-918

References (2)

https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P7 [x_refsource_CONFIRM]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7796 [government-resource]

Authoritative record: CVE-2020-7796 at cve.org

Weaknesses: CWE-918

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-7796 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.