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Vulnerability record · CVE-2020-11490 · published 2 April 2020

CVE-2020-11490: Zevenet zen load balancer os command injection vulnerability

Zevenet · Zen Load Balancer

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.

7.2 CVSS 3.1 High EPSS 1.9% · top 20.9% CWE-78 · OS command injection
7.2CVSS 3.1 base score, v2 9.0
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://code610.blogspot.com/2020/03/pentesting-zen-load-balancer-quick.html Third Party Advisory
https://github.com/c610/tmp/blob/master/zenload4patreons.zip ExploitThird Party Advisory
http://code610.blogspot.com/2020/03/pentesting-zen-load-balancer-quick.html Third Party Advisory
https://github.com/c610/tmp/blob/master/zenload4patreons.zip ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-11490), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.