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Fencer Intel
high 7.8

CVE-2017-8849 json

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

published 2017-05-17 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17791

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
1
Exploit-DB

Summary

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

Patch / fix

  • smb4k Debian 14, Debian 13 1.2.1-2

debian advisories DEBIAN-CVE-2017-8849

  • smb4k openSUSE Tumbleweed 4.0.5-1.2

opensuse advisories openSUSE-SU-2026:10370-1

  • smb4k Arch Linux 2.0.0-2

arch linux advisories AVG-268

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-8849 updated cvss 7.8

smb4k: unauthorized local command execution as root

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-42053)

Exploit prediction

1.95% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-42053 KDE 4/5 - 'KAuth' Local Privilege Escalation local, 2017-05-18
  • openwall.com http://www.openwall.com/lists/oss-security/2017/05/10/3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.