{"id":"CVE-2020-29577","aliases":["EUVD-2020-21939","GHSA-66fh-7c2j-p86h"],"status":"published","title":"The official znc docker images before 1.7.1-slim contain a blank password for a root user....","description":"The official znc docker images before 1.7.1-slim contain a blank password for a root user. Systems using the znc docker container deployed by affected versions of the Docker image may allow an remote attacker to achieve root access with a blank password.","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":"2026-11-09","score":0.02322,"percentile":0.83585,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-12-08T15:15:15Z","modified":"2026-06-17T03:11:28Z","products":[{"vendor":"znc","product":"znc_docker_image"}],"references":[{"url":"https://github.com/koharin/koharin2/blob/main/CVE-2020-29577","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29577"},{"url":"https://github.com/advisories/GHSA-66fh-7c2j-p86h"}],"sources":{"cve":[{"id":"CVE-2020-29577","description":"The official znc docker images before 1.7.1-slim contain a blank password for a root user. Systems using the znc docker container deployed by affected versions of the Docker image may allow an remote attacker to achieve root access with a blank password.","status":"published","published":"2020-12-08T15:15:15Z","modified":"2024-08-04T16:55:10.415Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21939","description":"The official znc docker images before 1.7.1-slim contain a blank password for a root user. Systems using the znc docker container deployed by affected versions of the Docker image may allow an remote attacker to achieve root access with a blank password.","status":"published","published":"2020-12-08T15:15:15Z","modified":"2024-08-04T16:55:10Z","updated_at":"2026-11-03T03:07:07.463834Z"}],"ghsa":[{"id":"GHSA-66fh-7c2j-p86h","title":"The official znc docker images before 1.7.1-slim contain a blank password for a root user....","description":"The official znc docker images before 1.7.1-slim contain a blank password for a root user. Systems using the znc docker container deployed by affected versions of the Docker image may allow an remote attacker to achieve root access with a blank password.","status":"published","published":"2022-05-24T17:35:44Z","modified":"2023-01-29T05:04:56Z","updated_at":"2026-11-02T14:45:40.253766Z"}],"nvd":[{"id":"CVE-2020-29577","description":"The official znc docker images before 1.7.1-slim contain a blank password for a root user. Systems using the znc docker container deployed by affected versions of the Docker image may allow an remote attacker to achieve root access with a blank password.","status":"published","published":"2020-12-08T16:15:12.073Z","modified":"2026-06-17T03:11:28.217Z","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"}],"updated_at":"2026-11-02T14:06:27.10541Z"}]}}