CVE-2026-73570High· 8.9▾ Abyssal⚠ Exploited in the wildPoC availableA remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP …
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 49 · likelihood 6.5 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 2 sources. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Aug 22.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Federal remediation due Aug 24, 2026
Last analysed / modified upstream
1.0%
1.0% → 32%
8 GitHub repos · Nuclei ×1
Added to the CISA catalog on Aug 21, 2026. Federal remediation due Aug 24, 2026. View catalog ↗
A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.
zimbra_collaboration_suite < 10.1.20Upgrade past the affected range:
zimbra_collaboration_suite 10.1.20Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2022-41352Critical· 9.8An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0
CVE-2022-24682Medium· 6.1An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021
CVE-2022-37042Critical· 9.8Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it
CVE-2022-27925High· 7.2Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it
CVE-2022-27924High· 7.5Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance
CVE-2018-6882Medium· 6.1Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary web script or HTM…