{"id":"CVE-2017-15906","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15906","generatedAt":"2026-10-29T01:41:52.206Z","title":"The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.","description":"The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.","published":"2017-10-26T03:29:00.000Z","lastModified":"2026-06-17T01:08:27.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-732"],"affected":["openbsd/openssh","oracle/sun zfs storage appliance kit","debian/debian linux","netapp/active iq unified manager","netapp/cloud backup","netapp/clustered data ontap","netapp/data ontap edge","netapp/hci management node","netapp/oncommand unified manager core package","netapp/solidfire","netapp/steelstore cloud integrated storage","netapp/storage replication adapter for clustered data ontap","netapp/vasa provider for clustered data ontap","netapp/virtual storage console","netapp/cn1610 firmware","redhat/enterprise linux desktop","redhat/enterprise linux eus","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server tus","redhat/enterprise linux workstation"],"epss":{"score":0.03359,"percentile":0.88653,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.36%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/101552","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0980","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf","source":"cve@mitre.org"},{"url":"https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201801-05","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20180423-0004/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.openssh.com/txt/release-7.6","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.oracle.com/security-alerts/cpujan2020.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101552","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0980","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201801-05","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20180423-0004/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openssh.com/txt/release-7.6","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2020.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15906","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}