What is CVE-2020-11591?

CVE-2020-11591 is a medium-severity vulnerability in Cipplanner Cipace. CVSS score: 5.3/10. Published 2020-04-06.

How severe is CVE-2020-11591?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cipplanner Cipace

CVE-2020-11591

An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. An unauthenticated attacker can make an API request and obtain the full application path along with the customer name.

Published 2020-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Cipplanner Cipace

References

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

Frequently asked questions

What is CVE-2020-11591?: CVE-2020-11591 is a medium-severity vulnerability in Cipplanner Cipace. CVSS score: 5.3/10. Published 2020-04-06.
How severe is CVE-2020-11591?: Medium severity. CVSS v3 base score is 5.3 out of 10.