Medium severity · published Jul 30, 2025
CVE-2024-45515
An issue was discovered in Zimbra Collaboration (ZCS) through 10.1
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A Cross-Site Scripting (XSS) vulnerability exists in Zimbra webmail due to insufficient validation of the content type metadata when importing files into the briefcase. Attackers can exploit this issue by crafting a file with manipulated metadata, allowing them to bypass content type checks and execute arbitrary JavaScript within the victim's session.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Collaboration · Zimbra
through 10.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-45515
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-45515
Release Notes
https://wiki.zimbra.com/wiki/Security_Center
Release Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_Fixes
Product
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
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