CVE-2017-8849

Exp

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 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-8849 is rated High Exploit Risk (75.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.95%). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.82% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-8849

EDB-ID Source Kind Published Link
42053 exploit_db edb 2017-05-18 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-8849

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.13% 1.95% +1.82%
2 2026-05-08 0.24% 0.13% -0.11%
3 2025-03-30 — 0.24% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-8849

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 3.0 HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 5.9 [email protected]
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2017-8849

OS Trackers for CVE-2017-8849

vendor priority summary link
debian not yet assigned CVE-2017-8849 not yet assigned priority: Debian including 1 source packages (smb4k), 4 status rows across 4 suites (bullseye, forky, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2017-8849
gentoo normal CVE-2017-8849: 1 GLSA(s) (201705-14), 1 atom(s) (net-misc/smb4k); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-8849
ubuntu medium CVE-2017-8849 medium priority: Ubuntu including 1 source packages (smb4k), 22 status rows across 22 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 16, ignored 3, DNE 1, needed 1, released 1. https://ubuntu.com/security/CVE-2017-8849

Affected software / configurations for CVE-2017-8849

Vendor Product Version Raw CPE
smb4k_project smb4k <= 2.0.0 cpe:2.3:a:smb4k_project:smb4k:*:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2017-8849

URL Tags
http://www.debian.org/security/2017/dsa-3951 Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/05/10/3 Exploit Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/98690 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/98737 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1449656 Issue Tracking Patch Third Party Advisory VDB Entry
https://cgit.kde.org/smb4k.git/commit/?id=71554140bdaede27b95dbe4c9b5a028a83c83cce Patch Third Party Advisory
https://cgit.kde.org/smb4k.git/commit/?id=a90289b0962663bc1d247bbbd31b9e65b2ca000e Patch Third Party Advisory
https://security.gentoo.org/glsa/201705-14 Third Party Advisory
https://www.exploit-db.com/exploits/42053/ Exploit Third Party Advisory VDB Entry
https://www.kde.org/info/security/advisory-20170510-2.txt Third Party Advisory
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