CVE-2021-36532

Name: CVE-2021-36532
Creator: NVD / NIST
Published: 2023-02-03T18:15:10.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2021-36532 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Race condition vulnerability discovered in portfolioCMS 1.0 allows remote attackers to run arbitrary code via fileExt parameter to localhost/admin/uploads.php.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

Race condition vulnerability discovered in portfolioCMS 1.0 allows remote attackers to run arbitrary code via fileExt parameter to localhost/admin/uploads.php.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.79%

51.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Portfoliocms Project	Portfoliocms	1.0.0

References

https://github.com/excellentoldtv/portfolioCMS-issues/issues/1Exploit, Third Party Advisory
https://github.com/excellentoldtv/portfolioCMS-issues/issues/1Exploit, Third Party Advisory

Timeline

Published: Feb 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36532?

Race condition vulnerability discovered in portfolioCMS 1.0 allows remote attackers to run arbitrary code via fileExt parameter to localhost/admin/uploads.php.

How severe is CVE-2021-36532?

CVE-2021-36532 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36532?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36532?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST