What is CVE-2017-8849?

CVE-2017-8849 is a high-severity vulnerability in Smb4k Project, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2017-05-17.

How severe is CVE-2017-8849?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2017-8849 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Smb4k Project

CVE-2017-8849

smb4k before 2.0.1 allows local users to gain root privileges by leveraging failure to verify arguments to the mount helper DBUS service.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-05-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.000

Affected products

Smb4k Project
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

cgit.kde.org/smb4k.git/commit/ (Patch, Third Party Advisory)
www.exploit-db.com/exploits/42053/ (Exploit, VDB Entry, Third Party Advisory, exploit)
bugzilla.redhat.com/show_bug.cgi (Patch, VDB Entry, Third Party Advisory, Issue Tracking)
www.debian.org/security/2017/dsa-3951 (vendor-advisory, Third Party Advisory)
security.gentoo.org/glsa/201705-14 (vendor-advisory, Third Party Advisory)
www.kde.org/info/security/advisory-20170510-2.txt (Third Party Advisory)
cgit.kde.org/smb4k.git/commit/ (Patch, Third Party Advisory)
www.securityfocus.com/bid/98690 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2017/05/10/3 (mailing-list, Exploit, Patch, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/98737 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-8849?: CVE-2017-8849 is a high-severity vulnerability in Smb4k Project, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2017-05-17.
How severe is CVE-2017-8849?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2017-8849 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.