What is CVE-2018-20420?

CVE-2018-20420 is a medium-severity vulnerability in Weberp, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.9/10. Published 2018-12-24.

How severe is CVE-2018-20420?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Is CVE-2018-20420 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Weberp

CVE-2018-20420

In webERP 4.15, Z_CreateCompanyTemplateFile.php has Incorrect Access Control, leading to the overwrite of an existing .sql file on the target web site by creating a template and then using ../ directory traversal in the TemplateName parameter.

EPSS: 0.010 (58.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weberp — versions 4.15
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20420?: CVE-2018-20420 is a medium-severity vulnerability in Weberp, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.9/10. Published 2018-12-24.
How severe is CVE-2018-20420?: Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2018-20420 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.