{"id":"CVE-2020-29390","aliases":["EUVD-2020-21763","GHSA-wfh6-xhqh-h5xw"],"status":"published","title":"Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet...","description":"Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.39565,"percentile":0.98633,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2020-11-30T17:24:17Z","modified":"2026-06-17T03:11:15Z","exploits":[{"source":"nuclei","id":"CVE-2020-29390","title":"Zeroshell 3.9.3 - Command Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-29390.yaml"}],"products":[{"vendor":"zeroshell","product":"zeroshell"}],"references":[{"url":"https://blog.quake.so/post/zeroshell_linux_router_rce/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29390"},{"url":"https://github.com/advisories/GHSA-wfh6-xhqh-h5xw"}],"sources":{"cve":[{"id":"CVE-2020-29390","description":"Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.","status":"published","published":"2020-11-30T17:24:17Z","modified":"2024-08-04T16:55:09.657Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21763","description":"Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.","status":"published","published":"2020-11-30T17:24:17Z","modified":"2024-08-04T16:55:09Z","updated_at":"2026-11-03T03:07:07.919663Z"}],"ghsa":[{"id":"GHSA-wfh6-xhqh-h5xw","title":"Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet...","description":"Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.","status":"published","published":"2022-05-24T17:35:17Z","modified":"2023-01-29T05:04:54Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:45:39.783328Z"}],"nvd":[{"id":"CVE-2020-29390","description":"Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.","status":"published","published":"2020-11-30T18:15:11.61Z","modified":"2026-06-17T03:11:15.667Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}