Arbitrary file upload in Zimbra Collaboration

CVE-2023-34193

File Upload vulnerability in Zimbra ZCS 8.8.15 allows an authenticated privileged user to execute arbitrary code and obtain sensitive information via the ClientUploader function.

Vulnerability class: Unrestricted File Upload

EPSS: 0.012 (63.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-34193?
CVE-2023-34193 is a high-severity vulnerability in Zimbra Collaboration, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-07-06.
How severe is CVE-2023-34193?
High severity. CVSS v3 base score is 8.8 out of 10.