What’s Vulnerable › Vulnerabilities

CVE-2020-11491

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-02 · updated 2026-06-17
• Weakness: CWE-22

Description

Monitoring::Logs in Zen Load Balancer 3.10.1 allows remote authenticated admins to conduct absolute path traversal attacks, as demonstrated by a filelog=/etc/shadow request to index.cgi.

Affected products

• Zevenet Zen Load Balancer: 3.10.1

References

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

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