What is CVE-2023-27253?

CVE-2023-27253 is a high-severity vulnerability in Netgate Pfsense, classified under XML Injection (Blind XPath Injection). CVSS score: 8.8/10. Published 2023-03-17.

How severe is CVE-2023-27253?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-27253 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XPath Injection in Netgate Pfsense

CVE-2023-27253

A command injection vulnerability in the function restore_rrddata() of Netgate pfSense v2.7.0 allows authenticated attackers to execute arbitrary commands via manipulating the contents of an XML file supplied to the component config.xml.

EPSS: 0.900 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netgate Pfsense — versions 2.7.0
N/a — versions n/a

Weakness classification (CWE)

CWE-91 — XML Injection (Blind XPath Injection)

Public proof-of-concept exploits

rapid7/metasploit-framework

References

cve@mitre.org (Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch)
cve@mitre.org

Frequently asked questions

What is CVE-2023-27253?: CVE-2023-27253 is a high-severity vulnerability in Netgate Pfsense, classified under XML Injection (Blind XPath Injection). CVSS score: 8.8/10. Published 2023-03-17.
How severe is CVE-2023-27253?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-27253 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.