What is CVE-2020-12255?

CVE-2020-12255 is a high-severity vulnerability in Rconfig, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2020-05-18.

How severe is CVE-2020-12255?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-12255 known to be exploited?

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

Arbitrary file upload in Rconfig

CVE-2020-12255

rConfig 3.9.4 is vulnerable to remote code execution due to improper validation in the file upload functionality. vendor.crud.php accepts a file upload by checking content-type without considering the file extension and header. Thus, an at…

Vulnerability class: Unrestricted File Upload

EPSS: 0.526 (98.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Rconfig — versions 3.9.4
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2020-12255?: CVE-2020-12255 is a high-severity vulnerability in Rconfig, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2020-05-18.
How severe is CVE-2020-12255?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-12255 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.