Privilege escalation in Freesshd

CVE-2018-9853

Insecure access control in freeSSHd version 1.3.1 allows attackers to obtain the privileges of the freesshd.exe process by leveraging the ability to login to an unprivileged account on the server.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-9853: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-9853?
CVE-2018-9853 is a critical-severity vulnerability in Freesshd, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2018-07-10.
How severe is CVE-2018-9853?
Critical severity. CVSS v3 base score is 9.8 out of 10.