Medium severity · published May 14, 2025
CVE-2024-57273
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,…
5.4
CVSS
1.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Pfsense CE · Netgate
before 2.8.0 · source: NVD
PP
Pfsense Plus · Netgate
before 25.03 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-57273
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-57273
Exploit
https://blog.brillantit.com/exploiting-pfsense-xss-command-injection-cloud-hijack/
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-and-ce-2.7.2
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