Path Traversal in Zevenet Zen Load Balancer

CVE-2020-11491

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.079 (94.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-11491?
CVE-2020-11491 is a medium-severity vulnerability in Zevenet Zen Load Balancer, classified under Path Traversal. CVSS score: 4.9/10. Published 2020-04-02.
How severe is CVE-2020-11491?
Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2020-11491 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.