CVE-2018-20685

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-20685

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-20685.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201904-11

OS impact

OSVersionStatusFixed in
arch archfixed8.0p1-1
suse slesaffected
debian debianbookwormfixed1:7.9p1-5
debian debianbullseyefixed1:7.9p1-5
debian debianforkyfixed1:7.9p1-5
debian debiansidfixed1:7.9p1-5
debian debiantrixiefixed1:7.9p1-5

References

Verify integrity in audit chain (admin only). AS-IS.