CVE-2020-14066

Name: CVE-2020-14066
Creator: NVD / NIST
Published: 2020-07-15T20:15:13.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.77%

Last modified Jun 17, 2026

CVE-2020-14066 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. IceWarp Email Server 12.3.0.1 allows remote attackers to upload JavaScript files that are dangerous for clients to access.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

IceWarp Email Server 12.3.0.1 allows remote attackers to upload JavaScript files that are dangerous for clients to access.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.77%

75.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Icewarp	Mail Server	12.3.0.1

References

https://github.com/networksecure/icewarp_insecure_permissionsThird Party Advisory
https://www.icewarp.com/download-premise/server/Product, Vendor Advisory
https://github.com/networksecure/icewarp_insecure_permissionsThird Party Advisory
https://www.icewarp.com/download-premise/server/Product, Vendor Advisory

Timeline

Published: Jul 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14066?

IceWarp Email Server 12.3.0.1 allows remote attackers to upload JavaScript files that are dangerous for clients to access.

How severe is CVE-2020-14066?

CVE-2020-14066 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14066?

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-2020-14066?

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

Scan your code now

Source: NVD / NIST