CVE-2021-33525

Name: CVE-2021-33525
Creator: NVD / NIST
Published: 2021-05-24T20:15:07.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 7.74%

Last modified Jun 17, 2026

CVE-2021-33525 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. EyesOfNetwork eonweb through 5.3-11 allows Remote Command Execution (by authenticated users) via shell metacharacters in the nagios_path parameter to lilac/export.php, as demonstrated by %26%26+curl to insert an "&& curl" substring for the shell.. EPSS estimates a 7.74% chance of exploitation in the next 30 days.

Description

EyesOfNetwork eonweb through 5.3-11 allows Remote Command Execution (by authenticated users) via shell metacharacters in the nagios_path parameter to lilac/export.php, as demonstrated by %26%26+curl to insert an "&& curl" substring for the shell.

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

7.74%

93.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Eyesofnetwork	Eyesofnetwork	<= 5.3-11

References

https://github.com/ArianeBlow/LilacPathVUln/blob/main/eon-pwn.shExploit, Third Party Advisory
https://github.com/EyesOfNetworkCommunity/eonweb/releasesRelease Notes, Third Party Advisory
https://github.com/ArianeBlow/LilacPathVUln/blob/main/eon-pwn.shExploit, Third Party Advisory
https://github.com/EyesOfNetworkCommunity/eonweb/releasesRelease Notes, Third Party Advisory

Timeline

Published: May 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33525?

How severe is CVE-2021-33525?

CVE-2021-33525 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 7.74% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33525?

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-2021-33525?

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

Scan your code now

Source: NVD / NIST