CVE-2023-48123
HighAn issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the packet_capture.php file.
Published Dec 6, 2023 · Updated Aug 12, 2026
Key Facts
Patch immediately- CVE-2023-48123 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Pfsense (Netgate), Pfsense Plus (Netgate).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 68% probability of exploitation in the next 30 days.
- Fixed versions are available, including Pfsense <=2.7.0, Pfsense Plus <=23.05.1, Pfsense 2.7.0.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
68%
Higher than 99.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2023-48123 brief as a PDF
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Description
An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the packet_capture.php file.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| PfsenseNetgate | See advisory | 2.7.0 |
| Pfsense PlusNetgate | See advisory | 23.05.1 |
Patched Releases
Pfsense
<=2.7.0
Pfsense Plus
<=23.05.1
Timeline
Publicly disclosed
Dec 6, 2023
Last updated
Aug 12, 2026
References
- advisoryhttps://docs.netgate.com/downloads/pfSense-SA-23_11.webgui.asc
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48123.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-48123
- patchhttps://github.com/pfsense/pfsense/commit/f72618c4abb61ea6346938d0c93df9078736b775
- patchhttps://redmine.pfsense.org/issues/14809
FAQ
Common Questions.
An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the packet_capture.php file.
Affected: Pfsense (Netgate); Pfsense Plus (Netgate). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Pfsense <=2.7.0, Pfsense Plus <=23.05.1, Pfsense 2.7.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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