CVE-2021-43439

Name: CVE-2021-43439
Creator: NVD / NIST
Published: 2021-12-20T20:15:07.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.44%

Last modified Jun 17, 2026

CVE-2021-43439 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. RCE in Add Review Function in iResturant 1.0 Allows remote attacker to execute commands remotely. EPSS estimates a 3.44% chance of exploitation in the next 30 days.

Description

RCE in Add Review Function in iResturant 1.0 Allows remote attacker to execute commands remotely

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.44%

87.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Iresturant Project	Iresturant	1.0

References

https://github.com/MartDevelopers-Inc/iResturantThird Party Advisory
https://medium.com/%40mayhem7999/cve-2021-43439-79c8ff1801fc
https://github.com/MartDevelopers-Inc/iResturantThird Party Advisory
https://medium.com/%40mayhem7999/cve-2021-43439-79c8ff1801fc

Timeline

Published: Dec 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43439?

RCE in Add Review Function in iResturant 1.0 Allows remote attacker to execute commands remotely

How severe is CVE-2021-43439?

CVE-2021-43439 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.44% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43439?

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-2021-43439?

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

Scan your code now

Source: NVD / NIST