{"id":"CVE-2020-24359","aliases":["EUVD-2022-0977","GHSA-f9fq-vjvh-779p","GO-2022-0824"],"status":"published","title":"Improper Input Validation in vault-ssh-helper","description":"HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01036,"percentile":0.64143,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2020-08-20T16:20:20Z","modified":"2026-10-20T10:52:51Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/vault-ssh-helper","fixed_in":["0.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault-ssh-helper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault-ssh-helper","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.2.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault-ssh-helper","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.2.0"}]}]}],"products":[{"vendor":"hashicorp","product":"vault-ssh-helper"}],"references":[{"url":"https://github.com/hashicorp/vault-ssh-helper/releases","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/hashicorp/vault-ssh-helper/blob/master/CHANGELOG.md#020-august-19-2020","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24359","tags":["advisory"]},{"url":"https://github.com/hashicorp/vault-ssh-helper/commit/83effd08cbcbe4b993d776bd9b39465cd9e4603f","tags":["web","fix"]},{"url":"https://github.com/advisories/GHSA-f9fq-vjvh-779p","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-24359","description":"HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.","status":"published","published":"2020-08-20T16:20:20Z","modified":"2024-08-04T15:12:08.867Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2022-0977","description":"HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.","status":"published","published":"2020-08-20T16:20:20Z","modified":"2024-08-04T15:12:08Z","updated_at":"2026-11-03T03:07:19.775117Z"}],"ghsa":[{"id":"GHSA-f9fq-vjvh-779p","title":"Improper Input Validation in vault-ssh-helper","description":"HashiCorp vault-ssh-helper (github.com/hashicorp/vault-ssh-helper/helper) up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.","status":"published","published":"2022-02-15T01:57:18Z","modified":"2023-10-02T13:57:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:37:07.641671Z"}],"nvd":[{"id":"CVE-2020-24359","description":"HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.","status":"published","published":"2020-08-20T17:15:10.977Z","modified":"2026-06-17T03:05:25.623Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"CVE-2020-24359","description":"HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.","status":"published","published":"2020-08-20T17:15:10.977Z","modified":"2026-10-20T10:52:51.077936314Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"GHSA-f9fq-vjvh-779p","title":"Improper Input Validation in vault-ssh-helper","description":"HashiCorp vault-ssh-helper (github.com/hashicorp/vault-ssh-helper/helper) up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.","status":"published","published":"2022-02-15T01:57:18Z","modified":"2024-08-21T15:58:31.011451Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:46.39441Z"},{"id":"GO-2022-0824","title":"Improper Input Validation in vault-ssh-helper in github.com/hashicorp/vault-ssh-helper","description":"Improper Input Validation in vault-ssh-helper in github.com/hashicorp/vault-ssh-helper","status":"published","published":"2024-08-21T15:29:02Z","modified":"2026-03-03T04:52:18.26824Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}