CVE-2024-45517

Name: CVE-2024-45517
Creator: NVD / NIST
Published: 2024-11-21T17:15:15.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2024-45517 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A Cross-Site Scripting (XSS) vulnerability in the /h/rest endpoint of the Zimbra webmail and admin panel interfaces allows attackers to execute arbitrary JavaScript in the victim's session. EPSS estimates a 0.53% 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 in the /h/rest endpoint of the Zimbra webmail and admin panel interfaces allows attackers to execute arbitrary JavaScript in the victim's session. This issue is caused by improper sanitization of user input, leading to potential compromise of sensitive information. Exploitation requires user interaction to access the malicious URL.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.53%

40.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Synacor	Zimbra Collaboration Suite	< 8.8.15
Synacor	Zimbra Collaboration Suite	>= 10.0.0, < 10.0.9
Synacor	Zimbra Collaboration Suite	8.8.15
Synacor	Zimbra Collaboration Suite	9.0.0
Synacor	Zimbra Collaboration Suite	10.1.1

References

https://wiki.zimbra.com/wiki/Security_CenterVendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_FixesRelease Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1#Security_FixesRelease Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46#Security_FixesRelease Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P41#Security_FixesRelease Notes
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_PolicyProduct

Timeline

Published: Nov 21, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-45517?

How severe is CVE-2024-45517?

CVE-2024-45517 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2024-45517?

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-2024-45517?

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

Scan your code now

Source: NVD / NIST