HIGHCVSS 8.9Actively exploited · CISA KEV since 2026-08-21Vulnerability
CVE-2026-73570
Zimbra Collaboration Suite (ZCS) contains an OS command injection vulnerability which could allow an unauthenticated attacker to send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.
Properties
- Euvd product
- Collaboration
- Vulnerability name
- Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability
- First seen
- 2026-08-24T12:17:51+00:00
- Cvss score
- 8.9
- Epss score
- 0.71663
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2026-08-24
- Euvd assigner
- mitre
- Retrieved at
- 2026-10-21T01:24:50+00:00
- Exploited euvd since
- 2026-08-18T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2026-08-21
- Euvd base score version
- 3.1
- Score
- 8.9
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Zimbra
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 8.9
Related Entities (5)
AFFECTS_PRODUCT (1)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
MENTIONED_IN (1)
Explore deeper with Ninja Signal's threat intelligence graph