CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2022-01-10Vulnerability

CVE-2019-9670

Synacor Zimbra Collaboration Suite (ZCS) contains an improper restriction of XML external entity (XXE) vulnerability in the mailboxd component.

Properties

Vulnerability name
Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference
First seen
2025-10-21T23:45:36+00:00
Cvss score
9.8
Epss score
0.99986
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-07-10
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-01-10T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-01-10
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor project
Synacor

Related Entities (14)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2019-9670 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal