CVE-2024-45515: An issue was discovered in Zimbra Collaboration (ZCS) through 10.1
CVE-2024-45515 is a medium-severity flaw (CVSS 6.1) affecting collaboration. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 75%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-07-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-45515?
collaboration: upgrade to newer than 10.1.0. Exact commands for each OS are on this page.
Is CVE-2024-45515 being exploited?
CVE-2024-45515 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-45515 affect?
CVE-2024-45515 affects collaboration. Severity is medium (CVSS 6.1). 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. Att
How urgent is CVE-2024-45515?
Priority 28/100. No elevated risk signals yet.
Software pages
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