CVE-2018-12560

An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. Arbitrary unmounts can be performed by regular users via directory traversal sequences such as a home/../sys/kernel substring.

Published: 2018-06-19 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-12560 is rated Moderate Risk (42.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2018-12560

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 2025-03-17 0.24% 0.25% +0.01%
2 2024-12-17 0.08% 0.24% +0.16%
3 2023-03-07 0.08%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-12560

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2018-12560

OS Trackers for CVE-2018-12560

vendor priority summary link
debian unimportant CVE-2018-12560 unimportant priority: Debian including 1 source packages (cantata), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-12560
ubuntu high CVE-2018-12560 high priority: Ubuntu including 1 source packages (cantata), 8 status rows across 8 suites (artful, bionic, cosmic, disco, eoan, trusty, upstream, xenial): not-affected 5, DNE 1, ignored 1, released 1. https://ubuntu.com/security/CVE-2018-12560

Affected software / configurations for CVE-2018-12560

Vendor Product Version Raw CPE
cantata_project cantata <= 2.3.1 cpe:2.3:a:cantata_project:cantata:*:*:*:*:*:*:*:*

References for CVE-2018-12560

URL Tags
http://www.openwall.com/lists/oss-security/2018/06/18/1 Mailing List Technical Description
cvelogic Threat Intelligence