Vendor
opnsense
36 known vulnerabilities.
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Medium 5.9
OPNsense core through 26.7.8 NTP Configuration Injection via GPS and PPS Fudge Fields
OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users to append ntpd.conf directives by embedding newlines in the fudge and refid fields. Attackers holding the page-services-ntp-gps or PPS privilege can …
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Medium 5.4
OPNsense 26.1.6 through 26.7.7 Captive Portal Session Takeover via Forged ARP
OPNsense core 26.1.6 through 26.7.7 contains an authentication bypass vulnerability in the captive portal roaming feature that lets unauthenticated attackers hijack authorized client sessions by spoofing unauthenticated MAC-to-IP observations. Attackers on th…
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Medium 6.8
OPNsense before 26.7.8 Wireless WPA Configuration Line Injection via Identity
OPNsense core before 26.7.8 contains a configuration line injection vulnerability that allows authenticated users with wireless-edit privilege to inject directives by embedding CR/LF characters in WPA fields. Attackers can place newlines in wpa.identity, wpa.…
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Medium 5.3
OPNsense core before 26.7.8 Lockout IP Planting via WebGUI Login Username
OPNsense core before 26.7.8 contains a log injection vulnerability that allows unauthenticated attackers to plant victim IP addresses in the lockout_handler by submitting crafted WebGUI login usernames. Attackers can submit usernames like 'Invalid user <victi…
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Medium 5.6
Multiple cross-site scripting (XSS) in OPNsense
Multiple cross site scripting (XSS) vulnerabilities affect OPNsense firewall vesrion 26.7.1_1 and earlier allows low privileged attacker to execute Javascript in the context of another user visiting a specific page or clicking on a specifically crafted link.
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Medium 5.2
OPNsense: Stored XSS in Administration Settings via Certificate Description
OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, src/www/system_advanced_admin.php reads certificate records into $a_cert but omits that array from legacy_html_escape_form_data() before rendering each certificate descr valu…
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Medium 5.4
OPNsense: Stored XSS in Services: NTP GPS
OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the NTP GPS page stores the operator-supplied initcmd value in base64 form, applies legacy_html_escape_form_data() to the encoded string, and then uses base64_decode() to dec…
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Medium 4.3
OPNsense: XPath injection in MVC safe-delete
OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the safe-delete path reached through ApiMutableModelControllerBase::delBase() interpolates an unvalidated safe-delete token from the request URL into an XPath expression over…
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Medium 5.9
OPNsense: OpenVPN Client Specific Override common_name allows path traversal in generated CSO files
OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the OpenVPN Client Specific Override common_name field accepts path traversal sequences and openvpn_csc_conf_write() concatenates the value into /var/etc/openvpn-csc/<vpnid>/…
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Medium 5.4
OPNsense: Stored XSS in Firewall Rules/NAT pages via a HTML-attribute breakout
OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, Firewall Rules and NAT views place stored category names and alias descriptions into HTML title attributes in filter_rule.volt and nat_rule.volt without quote-safe encoding. …
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Medium 5.3
OPNsense: Authentication lockout bypass
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, a logic flaw in the OPNsense lockout_handler allows an unauthenticated attacker to continuously reset the authentication failure counter for their IP address. By interjecting a crafte…
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Medium 6.3
Cross-Site Request Forgery (CSRF) in opnsense/core
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 ApiControllerB…
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Medium 5.4
OPNsense 19.1 Reflected XSS via system_advanced_sysctl.php
OPNsense 19.1 contains a reflected cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject malicious scripts via the value parameter. Attackers can craft POST requests with script payloads in the value par…
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Medium 6.1
OPNsense 19.1 Reflected XSS via proxy endpoint
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 w…
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Medium 6.1
OPNsense 19.1 Reflected XSS via monit interface
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 JavaS…
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Medium 6.1
OPNsense 19.1 Reflected XSS via vpn_ipsec_settings.php
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 t…
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Medium 6.4
OPNsense 19.1 Stored XSS via firewall_rules_edit.php
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 p…
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Medium 6.1
OPNsense 19.1 Reflected XSS via diag_traceroute.php
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 reque…
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Medium 6.1
OPNsense 19.1 Reflected XSS via diag_ping.php
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_p…
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Medium 6.1
OPNsense 19.1 Reflected XSS via interfaces_vlan_edit.php
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 …
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Medium 6.4
OPNsense 19.1 Stored XSS via system_advanced_sysctl.php
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 …
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Medium 5.4
OPNsense 19.1 Reflected XSS via diag_backup.php
OPNsense 19.1 contains multiple cross-site scripting vulnerabilities in the diag_backup.php endpoint that allow attackers to inject malicious scripts through multiple parameters including GDrive_GDriveEmail, GDrive_GDriveFolderID, GDrive_GDriveBackupCount, Ne…