{"id":"CVE-2020-24335","aliases":["EUVD-2020-17069","GHSA-h4mf-p43f-8979"],"status":"published","title":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name...","description":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.03081,"percentile":0.87795,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2021-02-02T06:13:37Z","modified":"2026-10-20T10:52:50Z","products":[{"vendor":"uip_project","product":"uip"}],"references":[{"url":"https://github.com/adamdunkels/uip","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","package"]},{"url":"https://github.com/contiki-os/contiki","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","package"]},{"url":"https://github.com/contiki-ng/contiki-ng","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","package"]},{"url":"https://www.kb.cert.org/vuls/id/815128","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource","advisory"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24335"},{"url":"https://github.com/advisories/GHSA-h4mf-p43f-8979"}],"sources":{"cve":[{"id":"CVE-2020-24335","description":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.","status":"published","published":"2021-02-02T06:13:37Z","modified":"2024-08-04T15:12:08.552Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17069","description":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.","status":"published","published":"2021-02-02T06:13:37Z","modified":"2024-08-04T15:12:08Z","updated_at":"2026-11-03T03:07:20.249898Z"}],"ghsa":[{"id":"GHSA-h4mf-p43f-8979","title":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name...","description":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.","status":"published","published":"2022-05-24T17:40:44Z","modified":"2023-01-29T05:06:20Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:46:00.036476Z"}],"nvd":[{"id":"CVE-2020-24335","description":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.","status":"published","published":"2021-02-02T07:15:13.833Z","modified":"2026-06-17T03:05:23.393Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:34.188486Z"}],"osv":[{"id":"CVE-2020-24335","description":"An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.","status":"published","published":"2021-02-02T07:15:13.833Z","modified":"2026-10-20T10:52:50.615077908Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.879068Z"}]}}