CVE-2020-11490

Name: CVE-2020-11490
Creator: NVD / NIST
Published: 2020-04-02T14:15:15.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.93%

Last modified Jun 17, 2026

CVE-2020-11490 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Manage::Certificates in Zen Load Balancer 3.10.1 allows remote authenticated admins to execute arbitrary OS commands via shell metacharacters in the index.cgi cert_issuer, cert_division, cert_organization, cert_locality, cert_state, cert_country, or cert_email parameter.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

Manage::Certificates in Zen Load Balancer 3.10.1 allows remote authenticated admins to execute arbitrary OS commands via shell metacharacters in the index.cgi cert_issuer, cert_division, cert_organization, cert_locality, cert_state, cert_country, or cert_email parameter.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

1.93%

77.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Zevenet	Zen Load Balancer	3.10.1

References

http://code610.blogspot.com/2020/03/pentesting-zen-load-balancer-quick.htmlThird Party Advisory
https://github.com/c610/tmp/blob/master/zenload4patreons.zipExploit, Third Party Advisory
http://code610.blogspot.com/2020/03/pentesting-zen-load-balancer-quick.htmlThird Party Advisory
https://github.com/c610/tmp/blob/master/zenload4patreons.zipExploit, Third Party Advisory

Timeline

Published: Apr 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11490?

How severe is CVE-2020-11490?

CVE-2020-11490 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11490?

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-2020-11490?

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

Scan your code now

Source: NVD / NIST