{"cve":"CVE-2020-17446","nvd":{"published":"2020-08-12T16:15:11.963","modified":"2026-06-17T02:58:56.910","status":"Modified","description":"asyncpg before 0.21.0 allows a malicious PostgreSQL server to trigger a crash or execute arbitrary code (on a database client) via a crafted server response, because of access to an uninitialized pointer in the array data decoder.","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-824"],"references":["https://github.com/MagicStack/asyncpg/releases/tag/v0.21.0","https://lists.debian.org/debian-lts-announce/2020/09/msg00002.html","https://github.com/MagicStack/asyncpg/releases/tag/v0.21.0","https://lists.debian.org/debian-lts-announce/2020/09/msg00002.html"],"products":["debian:debian_linux","magic:asyncpg"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-17446","score":0.02417,"percentile":0.84157,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2xpj-f5g2-8p7m","url":"https://osv.dev/vulnerability/GHSA-2xpj-f5g2-8p7m","summary":"Asyncpg Arbitrary Code Execution Via Access to an Uninitialized Pointer","modified":"2024-09-12T21:21:18.146637Z","packages":[{"ecosystem":"PyPI","name":"asyncpg","purl":"pkg:pypi/asyncpg","ranges":["<0.21.0"],"fixed":["0.21.0"]}]},{"id":"PYSEC-2020-24","url":"https://osv.dev/vulnerability/PYSEC-2020-24","summary":"","modified":"2023-11-08T04:02:41.394352Z","packages":[{"ecosystem":"PyPI","name":"asyncpg","purl":"pkg:pypi/asyncpg","ranges":["<0.21.0"],"fixed":["0.21.0"]}]}],"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."]}