CVE-2021-33357

Name: CVE-2021-33357
Creator: NVD / NIST
Published: 2021-06-09T18:15:08.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 17.90%

Last modified Jun 17, 2026

CVE-2021-33357 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability exists in RaspAP 2.6 to 2.6.5 in the "iface" GET parameter in /ajax/networking/get_netcfg.php, when the "iface" parameter value contains special characters such as ";" which enables an unauthenticated attacker to execute arbitrary OS commands.. EPSS estimates a 17.90% chance of exploitation in the next 30 days.

Description

A vulnerability exists in RaspAP 2.6 to 2.6.5 in the "iface" GET parameter in /ajax/networking/get_netcfg.php, when the "iface" parameter value contains special characters such as ";" which enables an unauthenticated attacker to execute arbitrary OS commands.

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

17.90%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Raspap	Raspap	>= 2.6, <= 2.6.5

References

https://gist.github.com/omriinbar/52c000c02a6992c6ce68d531195f69cfThird Party Advisory
https://github.com/RaspAP/raspap-webgui/blob/master/ajax/networking/get_netcfg.phpExploit, Third Party Advisory
https://gist.github.com/omriinbar/52c000c02a6992c6ce68d531195f69cfThird Party Advisory
https://github.com/RaspAP/raspap-webgui/blob/master/ajax/networking/get_netcfg.phpExploit, Third Party Advisory

Timeline

Published: Jun 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33357?

How severe is CVE-2021-33357?

CVE-2021-33357 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 17.90% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33357?

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-2021-33357?

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

Scan your code now

Source: NVD / NIST