CVE-2021-34076

Name: CVE-2021-34076
Creator: NVD / NIST
Published: 2023-05-11T12:15:09.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2021-34076 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. File Upload vulnerability in PHPOK 5.7.140 allows remote attackers to run arbitrary code and gain escalated privileges via crafted zip file upload.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

File Upload vulnerability in PHPOK 5.7.140 allows remote attackers to run arbitrary code and gain escalated privileges via crafted zip file upload.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.86%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phpok	Phpok	5.7.140

References

https://github.com/HolaAsuka/CVE/issues/1Exploit, Issue Tracking
https://github.com/HolaAsuka/CVE/issues/1Exploit, Issue Tracking

Timeline

Published: May 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34076?

File Upload vulnerability in PHPOK 5.7.140 allows remote attackers to run arbitrary code and gain escalated privileges via crafted zip file upload.

How severe is CVE-2021-34076?

CVE-2021-34076 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34076?

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-2021-34076?

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

Scan your code now

Source: NVD / NIST