Opnsense
by Opnsense
Source repositories
CVEs (39)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2023-27152 | Cri | 0.64 | 9.8 | 0.01 | Oct 23, 2023 | DECISO OPNsense 23.1 does not impose rate limits for authentication, allowing attackers to perform a brute-force attack to bypass authentication. | ||
| CVE-2023-39004 | Cri | 0.64 | 9.8 | 0.01 | Aug 9, 2023 | Insecure permissions in the configuration directory (/conf/) of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allow attackers to access sensitive information (e.g., hashed root password) which could lead to privilege escalation. | ||
| CVE-2025-50989 | Cri | 0.60 | 9.1 | 0.08 | Aug 27, 2025 | OPNsense before 25.1.8 contains an authenticated command injection vulnerability in its Bridge Interface Edit endpoint (interfaces_bridge_edit.php). The span POST parameter is concatenated into a system-level command without proper sanitization or escaping, allowing an… | ||
| CVE-2026-44194 | Cri | 0.53 | 9.1 | 0.06 | May 13, 2026 | OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, an authenticated Remote Code Execution (RCE) vulnerability in the OPNsense core allows a user with user-management privileges to execute arbitrary system commands as root. An attacker can bypass input… | ||
| CVE-2026-45158 | Cri | 0.52 | 9.1 | 0.01 | May 13, 2026 | OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system.… | ||
| CVE-2026-44193 | Cri | 0.52 | 9.1 | 0.01 | May 13, 2026 | OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restore_config_section fails to sanitize user supplied input leading to Remote Code Execution. This vulnerability is fixed in 26.1.7. | ||
| CVE-2023-39005 | Hig | 0.49 | 7.5 | 0.01 | Aug 9, 2023 | Insecure permissions exist for configd.socket in OPNsense Community Edition before 23.7 and Business Edition before 23.4.2. | ||
| CVE-2023-39003 | Hig | 0.49 | 7.5 | 0.01 | Aug 9, 2023 | OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 was discovered to contain insecure permissions in the directory /tmp. | ||
| CVE-2019-11816 | Hig | 0.47 | 7.2 | 0.03 | May 20, 2019 | Incorrect access control in the WebUI in OPNsense before version 19.1.8, and pfsense before 2.4.4-p3 allows remote authenticated users to escalate privileges to administrator via a specially crafted request. | ||
| CVE-2026-34578 | Hig | 0.46 | 8.2 | 0.00 | Apr 9, 2026 | OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap_escape(). An unauthenticated attacker can inject LDAP filter metacharacters… | ||
| CVE-2019-25373 | Med | 0.42 | 6.4 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input to the category parameter. Attackers can send POST requests to firewall_rules_edit.php with script payloads in the… | ||
| CVE-2019-25369 | Med | 0.42 | 6.4 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a stored cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject persistent malicious scripts via the tunable parameter. Attackers can submit POST requests with script payloads that are stored and… | ||
| CVE-2018-18958 | Med | 0.42 | 6.5 | 0.01 | Jun 17, 2019 | OPNsense 18.7.x before 18.7.7 has Incorrect Access Control. | ||
| CVE-2026-30868 | Med | 0.41 | 6.3 | 0.00 | Mar 11, 2026 | OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.4, multiple OPNsense MVC API endpoints perform state‑changing operations but are accessible via HTTP GET requests without CSRF protection. The framework CSRF validation in ApiControllerBase only applies… | ||
| CVE-2019-25376 | Med | 0.40 | 6.1 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted payloads through the ignoreLogACL parameter. Attackers can send POST requests to the proxy endpoint with JavaScript code… | ||
| CVE-2019-25375 | Med | 0.40 | 6.1 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the mailserver parameter. Attackers can send POST requests to the monit interface with JavaScript payloads in… | ||
| CVE-2019-25374 | Med | 0.40 | 6.1 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting the passthrough_networks parameter in vpn_ipsec_settings.php. Attackers can craft POST requests with JavaScript payloads in the… | ||
| CVE-2019-25372 | Med | 0.40 | 6.1 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation in the host parameter. Attackers can submit crafted payloads through POST requests to… | ||
| CVE-2019-25371 | Med | 0.40 | 6.1 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation in the host parameter. Attackers can submit crafted POST requests to the diag_ping.php endpoint… | ||
| CVE-2019-25370 | Med | 0.40 | 6.1 | 0.00 | Feb 15, 2026 | OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input through multiple parameters. Attackers can send POST requests to interfaces_vlan_edit.php with script payloads in the tag, descr,… |
- risk 0.64cvss 9.8epss 0.01
DECISO OPNsense 23.1 does not impose rate limits for authentication, allowing attackers to perform a brute-force attack to bypass authentication.
- risk 0.64cvss 9.8epss 0.01
Insecure permissions in the configuration directory (/conf/) of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allow attackers to access sensitive information (e.g., hashed root password) which could lead to privilege escalation.
- risk 0.60cvss 9.1epss 0.08
OPNsense before 25.1.8 contains an authenticated command injection vulnerability in its Bridge Interface Edit endpoint (interfaces_bridge_edit.php). The span POST parameter is concatenated into a system-level command without proper sanitization or escaping, allowing an…
- risk 0.53cvss 9.1epss 0.06
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, an authenticated Remote Code Execution (RCE) vulnerability in the OPNsense core allows a user with user-management privileges to execute arbitrary system commands as root. An attacker can bypass input…
- risk 0.52cvss 9.1epss 0.01
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system.…
- risk 0.52cvss 9.1epss 0.01
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restore_config_section fails to sanitize user supplied input leading to Remote Code Execution. This vulnerability is fixed in 26.1.7.
- risk 0.49cvss 7.5epss 0.01
Insecure permissions exist for configd.socket in OPNsense Community Edition before 23.7 and Business Edition before 23.4.2.
- risk 0.49cvss 7.5epss 0.01
OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 was discovered to contain insecure permissions in the directory /tmp.
- risk 0.47cvss 7.2epss 0.03
Incorrect access control in the WebUI in OPNsense before version 19.1.8, and pfsense before 2.4.4-p3 allows remote authenticated users to escalate privileges to administrator via a specially crafted request.
- risk 0.46cvss 8.2epss 0.00
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap_escape(). An unauthenticated attacker can inject LDAP filter metacharacters…
- risk 0.42cvss 6.4epss 0.00
OPNsense 19.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input to the category parameter. Attackers can send POST requests to firewall_rules_edit.php with script payloads in the…
- risk 0.42cvss 6.4epss 0.00
OPNsense 19.1 contains a stored cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject persistent malicious scripts via the tunable parameter. Attackers can submit POST requests with script payloads that are stored and…
- risk 0.42cvss 6.5epss 0.01
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
- risk 0.41cvss 6.3epss 0.00
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.4, multiple OPNsense MVC API endpoints perform state‑changing operations but are accessible via HTTP GET requests without CSRF protection. The framework CSRF validation in ApiControllerBase only applies…
- risk 0.40cvss 6.1epss 0.00
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted payloads through the ignoreLogACL parameter. Attackers can send POST requests to the proxy endpoint with JavaScript code…
- risk 0.40cvss 6.1epss 0.00
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the mailserver parameter. Attackers can send POST requests to the monit interface with JavaScript payloads in…
- risk 0.40cvss 6.1epss 0.00
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting the passthrough_networks parameter in vpn_ipsec_settings.php. Attackers can craft POST requests with JavaScript payloads in the…
- risk 0.40cvss 6.1epss 0.00
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation in the host parameter. Attackers can submit crafted payloads through POST requests to…
- risk 0.40cvss 6.1epss 0.00
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation in the host parameter. Attackers can submit crafted POST requests to the diag_ping.php endpoint…
- risk 0.40cvss 6.1epss 0.00
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input through multiple parameters. Attackers can send POST requests to interfaces_vlan_edit.php with script payloads in the tag, descr,…
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