{"id":"CVE-2023-23912","aliases":["EUVD-2023-27995","GHSA-f52w-ff63-7f4c"],"status":"published","title":"A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security...","description":"A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00956,"percentile":0.61665,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-75","CWE-94"],"published":"2023-02-09T00:00:00Z","modified":"2026-06-17T05:38:15Z","products":[{"vendor":"ui","product":"er-10x_firmware"},{"vendor":"ui","product":"er-12_firmware"},{"vendor":"ui","product":"er-12p_firmware"},{"vendor":"ui","product":"er-4_firmware"},{"vendor":"ui","product":"er-6p_firmware"},{"vendor":"ui","product":"er-8-xg_firmware"},{"vendor":"ui","product":"er-x-sfp_firmware"},{"vendor":"ui","product":"er-x_firmware"},{"vendor":"ui","product":"usg-pro-4_firmware"},{"vendor":"ui","product":"usg_firmware"}],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-028-028/696e4e3b-718c-4da4-9a21-965a85633b5f","tags":["x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23912"},{"url":"https://github.com/advisories/GHSA-f52w-ff63-7f4c"}],"sources":{"cve":[{"id":"CVE-2023-23912","description":"A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.","status":"published","published":"2023-02-09T00:00:00Z","modified":"2025-03-24T19:02:10.197Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-75","CWE-94"],"updated_at":"2026-11-02T14:35:21.232549Z"}],"euvd":[{"id":"EUVD-2023-27995","description":"A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.","status":"published","published":"2023-02-09T00:00:00Z","modified":"2025-03-24T19:02:10Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:54.153762Z"}],"ghsa":[{"id":"GHSA-f52w-ff63-7f4c","title":"A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security...","description":"A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.","status":"published","published":"2023-02-09T21:30:28Z","modified":"2025-03-24T21:31:30Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-75","CWE-94"],"updated_at":"2026-11-02T15:00:25.909155Z"}],"nvd":[{"id":"CVE-2023-23912","description":"A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.","status":"published","published":"2023-02-09T20:15:11.74Z","modified":"2026-06-17T05:38:15.52Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-75","CWE-94"],"updated_at":"2026-11-02T14:07:46.811196Z"}]}}