CVE-2023-27253

HIGHNVD 8.88.8—Weaponized

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 99.1%
KEV: Not listed

Published

March 17, 2023

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://packetstormsecurity.com/files/173487/pfSense-Restore-RRD-Data-Command-Injection.html
cve@mitrehttps://github.com/pfsense/pfsense/commit/ca80d18493f8f91b21933ebd6b714215ae1e5e94
cve@mitrehttps://redmine.pfsense.org/issues/13935
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/173487/pfSense-Restore-RRD-Data-Command-Injection.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/pfsense/pfsense/commit/ca80d18493f8f91b21933ebd6b714215ae1e5e94
af854a3a-2127-422b-91ae-364da2661108https://redmine.pfsense.org/issues/13935

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-91XML Injection

Data Freshness Timeline

(refreshed 7× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 13:51 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-25 05:03 UTCEG score recompute
2026-05-25 05:03 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-51608
First seen Jul 20, 2023
pfSense v2.7.0 - OS Command Injection
Open source ↗
Metasploitexploit/unix/http/pfsense_config_data_exec✓ verified
First seen Mar 18, 2023
pfSense Restore RRD Data Command Injection
Open source ↗

Frequently asked(5)

What is CVE-2023-27253?

CVE-2023-27253 is a high vulnerability published on March 17, 2023. 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.

When was CVE-2023-27253 disclosed?

CVE-2023-27253 was first published in the National Vulnerability Database on March 17, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-27253 actively exploited?

CVE-2023-27253 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-27253?

CVE-2023-27253 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-27253?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27253, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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