--- cve: "CVE-2026-111230" severity: "MEDIUM" cvss: 6.9 epss: "" vendor: "Netgate" kev: false exploited: false published: "2026-10-15 19:17:35" tags: [cve, security, medium] source: tsecurity.de CVE-Dossier exported: "2026-10-24T22:04:03+02:00" --- # CVE-2026-111230 > 6.9 MEDIUM · 🧪 PoC ## Beschreibung Netgate pfSense CE through 2.9.0 contains a local file read vulnerability that allows users with the Dynamic DNS client privilege to read files as root by setting a file:// custom Update URL in services_dyndns_edit.php. Attackers can set a non-matching Result Match string so _checkStatus() logs file contents such as /conf/config.xml or /etc/master.passwd to the system log. ## CNA-Record (Kanon, cvelistV5) - CNA: **VulnCheck** - State: PUBLISHED - Stand: 2026-10-15 19:48:31 - CNA-CVSS: **6.9** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`) ## CISA-Anreicherung (vulnrichment/ADP) - CISA-SSVC (Coordinator, v2.0.3): - Exploitation: **none** - Automatable: **no** - Technical Impact: **partial** ## CVSS-Vektor ``` CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N ``` | Metrik | Wert | Bewertung | |---|---|---| | AV Angriffsvektor | Netzwerk | bad | | AC Komplexität | Gering | bad | | PR Privilegien | Hoch | good | | UI Interaktion | Keine | bad | ## Schwachstellen-Klasse - **CWE-73** — External Control of File Name or Path The product allows user input to control or influence paths or file names that are used in filesystem operations. ## Angriffsmuster (CAPEC) - [CAPEC-13 — Subverting Environment Variable Values](https://capec.mitre.org/data/definitions/13.html) _(Severity: Very High)_ - [CAPEC-64 — Using Slashes and URL Encoding Combined to Bypass Validation Logic](https://capec.mitre.org/data/definitions/64.html) _(Severity: High)_ - [CAPEC-72 — URL Encoding](https://capec.mitre.org/data/definitions/72.html) _(Severity: High)_ - [CAPEC-76 — Manipulating Web Input to File System Calls](https://capec.mitre.org/data/definitions/76.html) _(Severity: Very High)_ - [CAPEC-78 — Using Escaped Slashes in Alternate Encoding](https://capec.mitre.org/data/definitions/78.html) _(Severity: High)_ - [CAPEC-79 — Using Slashes in Alternate Encoding](https://capec.mitre.org/data/definitions/79.html) _(Severity: High)_ - [CAPEC-80 — Using UTF-8 Encoding to Bypass Validation Logic](https://capec.mitre.org/data/definitions/80.html) _(Severity: High)_ - [CAPEC-267 — Leverage Alternate Encoding](https://capec.mitre.org/data/definitions/267.html) _(Severity: High)_ ## ATT&CK-Techniken - [T1562.003 — Impair Defenses:Impair Command History Logging](https://attack.mitre.org/techniques/T1562/003/) - [T1574.006 — Hijack Execution Flow:Dynamic Linker Hijacking](https://attack.mitre.org/techniques/T1574/006/) - [T1574.007 — Hijack Execution Flow:Path Interception by PATH Environment ](https://attack.mitre.org/techniques/T1574/007/) - [T1027 — Obfuscated Files or Information](https://attack.mitre.org/techniques/T1027/) ## BSI-Hinweise (deutsch) - [Netgate pfSense: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-3983) — _BSI-Einstufung: mittel_ Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Netgate pfSense ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen und um auf Dateien zuzugreifen. ## Referenzen - - - - - - --- _Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-111230/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_