CVE-2024-57273

Name: CVE-2024-57273
Creator: NVD / NIST
Published: 2025-05-14T14:15:26.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.14%

Last modified Jun 17, 2026

CVE-2024-57273 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Netgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds is vulnerable to Cross-site scripting (XSS) in the Automatic Configuration Backup (ACB) service, allowing remote attackers to execute arbitrary JavaScript, delete backups, or leak sensitive information via an unsanitized "reason" field and a derivable device key generated from the public SSH key.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

Netgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds is vulnerable to Cross-site scripting (XSS) in the Automatic Configuration Backup (ACB) service, allowing remote attackers to execute arbitrary JavaScript, delete backups, or leak sensitive information via an unsanitized "reason" field and a derivable device key generated from the public SSH key.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

1.14%

62.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Netgate	Pfsense Ce	< 2.8.0
Netgate	Pfsense Plus	< 25.03

References

http://netgate.comProduct
https://blog.brillantit.com/exploiting-pfsense-xss-command-injection-cloud-hijack/Exploit, Third Party Advisory
https://docs.netgate.com/downloads/pfSense-SA-25_03.webgui.ascThird Party Advisory
https://www.netgate.com/blog/important-security-updates-for-pfsense-plus-24.11-and-ce-2.7.2Release Notes

Timeline

Published: May 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-57273?

How severe is CVE-2024-57273?

CVE-2024-57273 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2024-57273?

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-2024-57273?

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

Scan your code now

Source: NVD / NIST