{"cve":"CVE-2020-9283","nvd":{"published":"2020-02-20T20:15:10.437","modified":"2026-06-17T03:27:42.050","status":"Modified","description":"golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-347"],"references":["http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html","https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY","https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html","https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html","https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html"],"products":["debian:debian_linux","golang:package_ssh"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2020-9283","score":0.20891,"percentile":0.97556,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-ffhg-7mh4-33c4","url":"https://osv.dev/vulnerability/GHSA-ffhg-7mh4-33c4","summary":"Improper Verification of Cryptographic Signature in golang.org/x/crypto","modified":"2026-09-10T03:49:14.643258279Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.0.0-20200220183623-bac4c82f6975"],"fixed":["0.0.0-20200220183623-bac4c82f6975"]}]},{"id":"GO-2020-0012","url":"https://osv.dev/vulnerability/GO-2020-0012","summary":"Panic due to improper verification of cryptographic signatures in golang.org/x/crypto/ssh","modified":"2026-02-04T03:36:34.306120Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.0.0-20200220183623-bac4c82f6975"],"fixed":["0.0.0-20200220183623-bac4c82f6975"]}]}],"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."]}