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CVE-2023-37580

Published: Jul 31, 2023Updated: Oct 31, 2025 Sources: CVE List NVD BDUCWE-79
6.1MEDIUM
NVD MITRE
EPSS Score
54.2%
Top 1.1%
CISA KEV
Active Exploitation
Since Jul 27, 2023
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

Zimbra Inc.
commercial·US
Zimbra Collaboration SuiteMixed
Communications / email-server-client
synacor
commercial·US
zimbra collaboration suiteOn-premWeb App
Communications / email-server-client
and 1 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Jul 27, 2023
Remediation due:Aug 17, 2023

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.threatintelreport.com/2023/07/27/threat_actor_profiles/cve-2023-37580-zimbra-collaboration-zcs-cross-site-scripting-xss-vulnerability/
threatintelreport.com
https://www.cisa.gov/news-events/alerts/2023/07/27/cisa-adds-one-known-exploited-vulnerability-catalog
cisa.gov
https://www.helpnetsecurity.com/2023/07/17/cve-2023-34192/
helpnetsecurity.com
and 4 more references View all →
News mentions
1

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