{"id":"CVE-2023-30024","aliases":["EUVD-2023-34457","GHSA-f842-4gqm-2cpg"],"status":"published","title":"Insecure Permissions vulnerability found in MagicJack A921 USB Phone Jack Rev 3.0 v.1.4 allows a...","description":"The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/write access. Attackers can exploit this by replacing the original software with a malicious version, leading to ransomware deployment on the host computer. Affected devices have firmware versions prior to magicJack A921 USB Phone Jack Rev 3.0 V1.4.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00472,"percentile":0.41153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-863"],"published":"2023-04-28T00:00:00Z","modified":"2026-06-17T05:54:05Z","products":[{"vendor":"magicjack","product":"a921_firmware"}],"references":[{"url":"https://www.magicjack.com/","tags":["x_transferred","Product"]},{"url":"https://pastebin.com/raw/irWcawp8","tags":["x_transferred","Third Party Advisory"]},{"url":"https://drive.google.com/drive/folders/1cKd8hksThK610GPtBQ3du8DEkwKywlAi?usp=sharing","tags":["x_transferred","Exploit"]},{"url":"https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb/","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30024"},{"url":"https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb"},{"url":"https://www.magicjack.com"},{"url":"https://github.com/advisories/GHSA-f842-4gqm-2cpg"}],"sources":{"cve":[{"id":"CVE-2023-30024","description":"The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/write access. Attackers can exploit this by replacing the original software with a malicious version, leading to ransomware deployment on the host computer. Affected devices have firmware versions prior to magicJack A921 USB Phone Jack Rev 3.0 V1.4.","status":"published","published":"2023-04-28T00:00:00Z","modified":"2025-01-31T16:08:38.178Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-34457","description":"The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/write access. Attackers can exploit this by replacing the original software with a malicious version, leading to ransomware deployment on the host computer. Affected devices have firmware versions prior to magicJack A921 USB Phone Jack Rev 3.0 V1.4.","status":"published","published":"2023-04-28T00:00:00Z","modified":"2025-01-31T16:08:38Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-03T00:04:08.172652Z"}],"ghsa":[{"id":"GHSA-f842-4gqm-2cpg","title":"Insecure Permissions vulnerability found in MagicJack A921 USB Phone Jack Rev 3.0 v.1.4 allows a...","description":"Insecure Permissions vulnerability found in MagicJack A921 USB Phone Jack Rev 3.0 v.1.4 allows a physically proximate attacker to escalate privileges and gain access to sensitive information via the NAND flash memory.","status":"published","published":"2023-04-28T15:30:18Z","modified":"2025-01-31T18:30:58Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-269","CWE-863"],"updated_at":"2026-11-02T14:59:44.424337Z"}],"nvd":[{"id":"CVE-2023-30024","description":"The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/write access. Attackers can exploit this by replacing the original software with a malicious version, leading to ransomware deployment on the host computer. Affected devices have firmware versions prior to magicJack A921 USB Phone Jack Rev 3.0 V1.4.","status":"published","published":"2023-04-28T13:15:13.92Z","modified":"2026-06-17T05:54:05.673Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-269","CWE-863"],"updated_at":"2026-11-02T14:07:59.151142Z"}]}}