Path Traversal in Microweber

CVE-2020-28337

A directory traversal issue in the Utils/Unzip module in Microweber through 1.1.20 allows an authenticated attacker to gain remote code execution via the backup restore feature. To exploit the vulnerability, an attacker must have the credentials of an administrative user, upload a maliciously constructed ZIP file with file paths including relative paths (i.e., ../../), move this file into the backup directory, and execute a restore on this file.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.166 (96.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28337?
CVE-2020-28337 is a high-severity vulnerability in Microweber, classified under Path Traversal. CVSS score: 7.2/10. Published 2021-02-15.
How severe is CVE-2020-28337?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2020-28337 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.