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-2023-37580

CVE-2023-37580MEDIUM

n/a n/a — Synacor Zimbra Collaboration Suite (ZCS)

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   R  C  L  L  N    6.1   .4908   98.9   YES

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

TIMELINE
  Jul 7   Reserved by mitre
  Jul 27  Added to CISA KEV, remediation due 2023-08-17
  Jul 31  Published (CNA: mitre)

CWE-79 · CNA: mitre · CVSS v3.1 · 4 references · KEV due August 17, 2023

Description

Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 7, 2023	Reserved	Reserved by mitre
July 27, 2023	KEV ADDED	Added to CISA KEV, remediation due 2023-08-17
July 31, 2023	Published	Published (CNA: mitre)

Affected

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

Weaknesses

CWE-79

References (4)

Authoritative record: CVE-2023-37580 at cve.org

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-37580 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.