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CVE-2020-11490

23
FAUCET Score

CVE-2020-11490 describes a critical command injection vulnerability in Zen Load Balancer version 3.10.1, specifically within the Manage::Certificates component. This flaw allows remote authenticated administrators to execute arbitrary operating system commands by injecting shell metacharacters into various certificate-related parameters. With a CVSS score of 7.2 (HIGH), the vulnerability poses a significant risk, enabling complete compromise of confidentiality, integrity, and availability of the affected system without user interaction. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for severe impact warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
3.10.1CPE matchmatch criteria
cpe:2.3:a:zevenet:zen_load_balancer:3.10.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.93%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0193 is in the 73rd percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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