CVE search · CVE-2026-111223
CVE-2026-111223
high 8.6
Netgate pfSense CE 2.7.0 through 2.9.0 contains a configuration injection vulnerability that allows authenticated users with IPsec Mobile privileges to execute commands as root via the login_banner field. Attackers can submit a single-line banner containing '}' to escape the unquoted strongswan.conf attr value and define charon.start-scripts entries that charon executes as root on restart.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- disclosure@vulncheck.com
- Weakness
- CWE-74
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 4.0 | high 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
disclosure@vulncheck.comSecondary |
| CVSS 3.1 | high 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
disclosure@vulncheck.comSecondary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- pfsense · pfsense
References
- https://abraxaslabs.tech/research/pfsense-ce-leftoversIssue Tracking
- https://abraxaslabs.tech/research/pfsense-ipsec-login-bannerExploitIssue Tracking
- https://github.com/abraxas/pfsense-ipsec-login-bannerMitigationThird Party Advisory
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1361-L1388Product
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1842-L1845Product
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_ipsec_mobile.php#L269-L273Product
- https://github.com/pfsense/pfsense/commit/27a52d0807Patch
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-command-injection-via-ipsec-mobile-login-bannerThird Party Advisory