CVE-2024-57273

low-risk
Published 2025-05-14

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.

Do I need to act?

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0.22% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Pfsense Ce

Affected Vendors

Netgate

References (4)

Product http://netgate.com
Exploit https://blog.brillantit.com/exploiting-pfsense-xss-command-injection-cloud-hijac...
Third Party Advisory https://docs.netgate.com/downloads/pfSense-SA-25_03.webgui.asc
Release Notes https://www.netgate.com/blog/important-security-updates-for-pfsense-plus-24.11-a...
29
/ 100
low-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 7/34 · Low