CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:NCVE-2018-20685
Medium (5.3). EPSS 3.7% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
- CWE
- CWE-863
- Published
- Modified
- Record from
- the NVD, synced
Affected
- 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
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