# CVE-2018-20685: openssh-client: In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypassintended access restrictions via the filen... CVE-2018-20685 is fixed in 13 products on 1 platform, first by openssh-client 1:7.9p1-5, released January 10, 2019. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2018-20685 - Priority: Routine - CVSS: 5.3 (Medium) - EPSS: 0.0368 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jan 9, 2019 ## Description In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypassintended access restrictions via the filename of . or an empty filename.The impact is modifying the permissions of the target directory on theclient side. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | openssh RHEL 8 | 0:8.0p1-3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | openssh ol 8 | 0:8.0p1-3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | openssh rocky 8 | 0:8.0p1-30.el8_10 | [RLSA-2019:3702](https://patchblox.com/security/data/fix/linux/rlsa-2019-3702.md) | Jul 30, 2026 | | Linux | openssh-askpass RHEL 8 | 0:8.0p1-3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | openssh-askpass ol 8 | 0:8.0p1-3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | openssh-cavs RHEL 8 | 0:8.0p1-3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | openssh-cavs ol 8 | 0:8.0p1-3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | openssh-client Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.2 | [openssh-client 1:7.6p1-4ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openssh-client-1-7.6p1-4ubuntu0.2.md) | Jan 13, 2019 | | Linux | openssh-client Ubuntu 24.10 (oracular) | 1:7.9p1-5 | [openssh-client 1:7.9p1-5](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openssh-client-1-7.9p1-5.md) | Jan 10, 2019 | | Linux | openssh-clients RHEL 8 | 0:8.0p1-3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | openssh-clients ol 8 | 0:8.0p1-3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | openssh-keycat RHEL 8 | 0:8.0p1-3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | openssh-keycat ol 8 | 0:8.0p1-3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | openssh-ldap RHEL 8 | 0:8.0p1-3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | openssh-ldap ol 8 | 0:8.0p1-3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | openssh-server RHEL 8 | 0:8.0p1-3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | openssh-server Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.2 | [openssh-server 1:7.6p1-4ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openssh-server-1-7.6p1-4ubuntu0.2.md) | Jan 13, 2019 | | Linux | openssh-server Ubuntu 24.10 (oracular) | 1:7.9p1-5 | [openssh-server 1:7.9p1-5](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openssh-server-1-7.9p1-5.md) | Jan 10, 2019 | | Linux | openssh-server ol 8 | 0:8.0p1-3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | openssh-sftp-server Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.2 | [openssh-sftp-server 1:7.6p1-4ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openssh-sftp-server-1-7.6p1-4ubuntu0.2.md) | Jan 13, 2019 | | Linux | openssh-sftp-server Ubuntu 24.10 (oracular) | 1:7.9p1-5 | [openssh-sftp-server 1:7.9p1-5](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openssh-sftp-server-1-7.9p1-5.md) | Jan 10, 2019 | | Linux | openssh-tests Ubuntu 24.10 (oracular) | 1:7.9p1-5 | [openssh-tests 1:7.9p1-5](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openssh-tests-1-7.9p1-5.md) | Jan 10, 2019 | | Linux | pam_ssh_agent_auth RHEL 8 | 0:0.10.3-7.3.el8 | [RHSA-2019:3702](https://patchblox.com/security/data/fix/linux/rhsa-2019-3702.md) | Nov 5, 2019 | | Linux | pam_ssh_agent_auth ol 8 | 0:0.10.3-7.3.el8 | [ELSA-2019-3702](https://patchblox.com/security/data/fix/linux/elsa-2019-3702.md) | Nov 14, 2019 | | Linux | ssh Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.2 | [ssh 1:7.6p1-4ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ssh-1-7.6p1-4ubuntu0.2.md) | Jan 13, 2019 | | Linux | ssh Ubuntu 24.10 (oracular) | 1:7.9p1-5 | [ssh 1:7.9p1-5](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-ssh-1-7.9p1-5.md) | Jan 10, 2019 | | Linux | ssh-askpass-gnome Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.2 | [ssh-askpass-gnome 1:7.6p1-4ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ssh-askpass-gnome-1-7.6p1-4ubuntu0.2.md) | Jan 13, 2019 | | Linux | ssh-askpass-gnome Ubuntu 24.10 (oracular) | 1:7.9p1-5 | [ssh-askpass-gnome 1:7.9p1-5](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-ssh-askpass-gnome-1-7.9p1-5.md) | Jan 10, 2019 | --- Data as of 2026-11-07T18:46:35Z UTC. 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