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01 Record

CVE-2026-73570

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

HighKEVPUBLISHEDCNA: mitre
CNA base score8.9 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
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02 Description

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

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-08-21. Federal remediation due 2026-08-24.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
71.66% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 99.4% of scored records. A rank, not a probability.
NVD base score
8.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
NVD analysis status
Analyzed. NVD last modified this record on 2026-08-24.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-08-13 15:19Z2 MO AGO
Last updated
2026-08-24 12:17Z2 MO AGO
Reserved
2026-08-12
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 8.9)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Weaknesses
  • CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
Data version
5.2
Document digest
d65b4ea2fa989d381d2932746b67641ff1b40cc523dfc78f7c023401e582b707

05 Affected products

VendorProductVersionsPlatforms
ZimbraCollaboration0 to < 10.1.20—

06 References