CVE-2020-15594

Name: CVE-2020-15594
Creator: NVD / NIST
Published: 2020-09-30T18:15:22.333+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.77%

Last modified Jun 17, 2026

CVE-2020-15594 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An SSRF issue was discovered in Zoho Application Control Plus before version 10.0.511. The mail gateway configuration feature allows an attacker to perform a scan in order to discover open ports on a machine as well as available machines on the network segment on which the instance of the product is deployed.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

An SSRF issue was discovered in Zoho Application Control Plus before version 10.0.511. The mail gateway configuration feature allows an attacker to perform a scan in order to discover open ports on a machine as well as available machines on the network segment on which the instance of the product is deployed.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

1.77%

75.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Zohocorp	Manageengine Application Control Plus	< 10.0.511

References

https://cds.thalesgroup.com/en/tcs-cert/CVE-2020-15594
https://excellium-services.com/cert-xlm-advisory/cve-2020-15594/Third Party Advisory
https://excellium-services.com/cert-xlm-advisory/cve-2020-15594/Third Party Advisory

Timeline

Published: Sep 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15594?

How severe is CVE-2020-15594?

CVE-2020-15594 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15594?

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-2020-15594?

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

Scan your code now

Source: NVD / NIST