{"cve":"CVE-2020-17529","nvd":{"published":"2020-12-09T17:15:29.977","modified":"2026-06-17T02:59:05.510","status":"Modified","description":"Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying and invalid fragmentation offset value specified in the IP header. This is only impacts builds with both CONFIG_EXPERIMENTAL and CONFIG_NET_TCP_REASSEMBLY build flags enabled.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787"],"references":["http://www.openwall.com/lists/oss-security/2020/12/09/5","https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E","https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E","https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E","https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E"],"products":["apache:nuttx"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-17529","score":0.0289,"percentile":0.86899,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}