Description officielle (NVD)
Netgate pfSense CE 2.5.0 through 2.9.0 contains an OS command injection vulnerability in openvpn.learn-address.sh that allows authenticated VPN clients to execute commands as the unbound user. Attackers can embed shell metacharacters in the certificate common name or username, which is interpolated unquoted into su -c strings, when DNS Resolver client registration is enabled.
Références
- https://abraxaslabs.tech/research/pfsense-ce-leftovers — Issue Tracking
- https://github.com/abraxas/pfsense-ovpn-learn-cn — Third Party Advisory
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.le... — Product
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.5.0-through-2.9.0-os-command-injection-via-openvpn-l... — Third Party Advisory
En bref
| Éditeur | pfsense |
| Produit | pfsense |
| Publiée le | 15/10/2026 |
| Modifiée le | 19/10/2026 |
| CVSS | 2.3 (v4.0) |
| EPSS | 6,21 % (centile 93) |
| CWE | CWE-78 |
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/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
EPSS : probabilité estimée d'exploitation dans les 30 prochains jours.
Produits concernés
pfsense · pfsense
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