CVE-2020-11593

Name: CVE-2020-11593
Creator: NVD / NIST
Published: 2020-04-06T22:15:13.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2020-11593 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. An unauthenticated attacker can make an HTTP POST request with injected HTML data that is later leveraged to send emails from a customer trusted email address.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. An unauthenticated attacker can make an HTTP POST request with injected HTML data that is later leveraged to send emails from a customer trusted email address.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.99%

58.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Cipplanner	Cipace	< 9.1

References

https://www.criticalstart.com/vulnerabilities-discovered-in-cipace-enterprise-platform/Exploit, Third Party Advisory
https://www.criticalstart.com/vulnerabilities-discovered-in-cipace-enterprise-platform/Exploit, Third Party Advisory

Timeline

Published: Apr 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11593?

How severe is CVE-2020-11593?

CVE-2020-11593 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11593?

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-2020-11593?

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

Scan your code now

Source: NVD / NIST