What is CVE-2020-12846?

CVE-2020-12846 is a high-severity vulnerability in Synacor Zimbra_collaboration_suite, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.0/10. Published 2020-06-03.

How severe is CVE-2020-12846?

High severity. CVSS v3 base score is 8.0 out of 10.

Arbitrary file upload in Synacor Zimbra_collaboration_suite

CVE-2020-12846

Zimbra before 8.8.15 Patch 10 and 9.x before 9.0.0 Patch 3 allows remote code execution via an avatar file. There is potential abuse of /service/upload servlet in the webmail subsystem. A user can upload executable files (exe,sh,bat,jar) i…

Vulnerability class: Unrestricted File Upload

EPSS: 0.026 (83.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Synacor Zimbra_collaboration_suite — versions 8.8.15, 9.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12846?: CVE-2020-12846 is a high-severity vulnerability in Synacor Zimbra_collaboration_suite, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.0/10. Published 2020-06-03.
How severe is CVE-2020-12846?: High severity. CVSS v3 base score is 8.0 out of 10.