What is CVE-2020-23971?

CVE-2020-23971 is a high-severity vulnerability in Gmapfp, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2020-09-01.

How severe is CVE-2020-23971?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-23971 known to be exploited?

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

Vulnerability in Gmapfp

CVE-2020-23971

gmapfp.org Joomla Component GMapFP J3.30pro is affected by Insecure Permissions. An attacker can access the upload function without authenticating to the application and also can upload files due the issues of unrestricted file uploads which can be bypassed by changing the content-type and name file too double extensions.

Published 2020-09-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.015 (74.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Gmapfp — versions j3.30

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

References

packetstormsecurity.com/files/156889/Joomla-GMapFP-3.30-Arbitrary-File-Upload.h… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-23971?: CVE-2020-23971 is a high-severity vulnerability in Gmapfp, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2020-09-01.
How severe is CVE-2020-23971?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-23971 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.