CVE-2024-45515

Name: CVE-2024-45515
Creator: NVD / NIST
Published: 2025-07-30T15:15:32.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2024-45515 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.27%

18.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Zimbra	Collaboration	<= 10.1.0

References

https://wiki.zimbra.com/wiki/Security_CenterRelease Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_FixesRelease Notes
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_PolicyProduct
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory

Timeline

Published: Jul 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-45515?

How severe is CVE-2024-45515?

CVE-2024-45515 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2024-45515?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-45515?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST