{"cve":"CVE-2018-20685","nvd":{"published":"2019-01-10T21:29:00.377","modified":"2026-06-17T01:53:19.310","status":"Modified","description":"In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","score":5.3},"cwes":["CWE-863"],"references":["http://www.securityfocus.com/bid/106531","https://access.redhat.com/errata/RHSA-2019:3702","https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf","https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=h","https://github.com/openssh/openssh-portable/commit/6010c0303a422a9c5fa8860c061bf7105eb7f8b2"],"products":["canonical:ubuntu_linux","debian:debian_linux","fujitsu:m10-1_firmware","fujitsu:m10-4_firmware","fujitsu:m10-4s_firmware","fujitsu:m12-1_firmware","fujitsu:m12-2_firmware","fujitsu:m12-2s_firmware","netapp:cloud_backup","netapp:element_software","netapp:ontap_select_deploy","netapp:steelstore_cloud_integrated_storage","netapp:storage_automation_store","openbsd:openssh","oracle:solaris","redhat:enterprise_linux","redhat:enterprise_linux_eus","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_tus","siemens:scalance_x204rna_eec_firmware","siemens:scalance_x204rna_firmware","winscp:winscp"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-20685","score":0.03681,"percentile":0.8968,"date":"2026-10-31"},"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."]}