{"id":"CVE-2020-16134","aliases":["EUVD-2020-8100","GHSA-w7f8-p623-gp6f"],"status":"published","title":"An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus...","description":"An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device's plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00815,"percentile":0.57394,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2020-08-04T18:49:12Z","modified":"2026-06-17T02:57:45Z","products":[{"vendor":"swisscom","product":"internet-box_2_firmware"},{"vendor":"swisscom","product":"internet-box_3_firmware"},{"vendor":"swisscom","product":"internet-box_light_firmware"},{"vendor":"swisscom","product":"internet-box_plus_firmware"},{"vendor":"swisscom","product":"internet-box_standard_firmware"}],"references":[{"url":"https://www.swisscom.ch","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2020-16134.txt","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16134"},{"url":"https://github.com/advisories/GHSA-w7f8-p623-gp6f"}],"sources":{"cve":[{"id":"CVE-2020-16134","description":"An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device's plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser.","status":"published","published":"2020-08-04T18:49:12Z","modified":"2024-08-04T13:37:53.422Z","updated_at":"2026-11-02T14:35:59.116379Z"}],"euvd":[{"id":"EUVD-2020-8100","description":"An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device's plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser.","status":"published","published":"2020-08-04T18:49:12Z","modified":"2024-08-04T13:37:53Z","updated_at":"2026-11-03T03:07:29.271552Z"}],"ghsa":[{"id":"GHSA-w7f8-p623-gp6f","title":"An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus...","description":"An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device's plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser.","status":"published","published":"2022-05-24T17:24:55Z","modified":"2023-01-29T05:03:28Z","cwes":["CWE-522"],"updated_at":"2026-11-02T14:45:19.492424Z"}],"nvd":[{"id":"CVE-2020-16134","description":"An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device's plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser.","status":"published","published":"2020-08-04T19:15:12.617Z","modified":"2026-06-17T02:57:45.813Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.7,"vector":"AV:A/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}