{"id":"JLSEC-2026-1332","details":"A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.","modified":"2026-08-17T13:30:04.504454995Z","published":"2026-08-17T13:15:13.400Z","upstream":["CVE-2020-8284"],"database_specific":{"license":"CC-BY-4.0","sources":[{"modified":"2026-06-17T03:26:11.557Z","published":"2020-12-14T20:15:13.903Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-8284","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8284","database_specific":{"status":"Modified"},"id":"CVE-2020-8284","imported":"2026-08-16T08:05:12.393Z"}]},"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"},{"type":"WEB","url":"https://curl.se/docs/CVE-2020-8284.html"},{"type":"WEB","url":"https://curl.se/docs/CVE-2020-8284.html"},{"type":"WEB","url":"https://hackerone.com/reports/1040166"},{"type":"WEB","url":"https://hackerone.com/reports/1040166"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202012-14"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202012-14"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210122-0007/"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210122-0007/"},{"type":"WEB","url":"https://support.apple.com/kb/HT212325"},{"type":"WEB","url":"https://support.apple.com/kb/HT212325"},{"type":"WEB","url":"https://support.apple.com/kb/HT212326"},{"type":"WEB","url":"https://support.apple.com/kb/HT212326"},{"type":"WEB","url":"https://support.apple.com/kb/HT212327"},{"type":"WEB","url":"https://support.apple.com/kb/HT212327"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4881"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4881"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2022.html"}],"affected":[{"package":{"name":"LibCURL_jll","ecosystem":"Julia","purl":"pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.81.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1332.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V2","score":"AV:N/AC:M/Au:N/C:P/I:N/A:N","source":"NVD"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"NVD"}]}