{"id":"CVE-2020-27336","aliases":["EUVD-2020-19849","GHSA-53cj-vhvg-mmqf"],"status":"published","title":"An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6...","description":"An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6 component when handling a packet sent by an unauthenticated remote attacker could result in an out-of-bounds read of up to three bytes via network access.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01681,"percentile":0.7728,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-20"],"published":"2020-12-22T21:04:08Z","modified":"2026-06-17T03:09:08Z","products":[{"vendor":"treck","product":"ipv6"}],"references":[{"url":"https://treck.com/vulnerability-response-information/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210201-0003/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27336"},{"url":"https://security.netapp.com/advisory/ntap-20210201-0003"},{"url":"https://treck.com/vulnerability-response-information"},{"url":"https://github.com/advisories/GHSA-53cj-vhvg-mmqf"}],"sources":{"cve":[{"id":"CVE-2020-27336","description":"An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6 component when handling a packet sent by an unauthenticated remote attacker could result in an out-of-bounds read of up to three bytes via network access.","status":"published","published":"2020-12-22T21:04:08Z","modified":"2025-09-30T15:52:30.9Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19849","description":"An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6 component when handling a packet sent by an unauthenticated remote attacker could result in an out-of-bounds read of up to three bytes via network access.","status":"published","published":"2020-12-22T21:04:08Z","modified":"2025-09-30T15:52:30Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N","level":"low"}],"updated_at":"2026-11-02T20:31:38.096877Z"}],"ghsa":[{"id":"GHSA-53cj-vhvg-mmqf","title":"An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6...","description":"An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6 component when handling a packet sent by an unauthenticated remote attacker could result in an out-of-bounds read of up to three bytes via network access.","status":"published","published":"2022-05-24T17:37:05Z","modified":"2025-09-30T15:31:31Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-20","CWE-125"],"updated_at":"2026-11-02T15:03:49.069159Z"}],"nvd":[{"id":"CVE-2020-27336","description":"An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6 component when handling a packet sent by an unauthenticated remote attacker could result in an out-of-bounds read of up to three bytes via network access.","status":"published","published":"2020-12-22T22:15:13.927Z","modified":"2026-06-17T03:09:08.607Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-125"],"updated_at":"2026-11-02T14:06:27.73474Z"}]}}