CVE-2018-12563

An issue was discovered in Linaro LAVA before 2018.5.post1. Because of support for file: URLs, a user can force lava-server-gunicorn to download any file from the filesystem if it's readable by lavaserver and valid yaml.

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

Conclusion & alert: CVE-2018-12563 is rated Moderate Risk (42.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.27%). 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-2018-12563

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 2025-03-30 0.53% 0.27% -0.26%
2 2025-03-29 0.27% 0.53% +0.26%
3 2025-03-17 0.27%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-12563

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:H/I:N/A:N 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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2018-12563

OS Trackers for CVE-2018-12563

vendor priority summary link
debian not yet assigned CVE-2018-12563 not yet assigned priority: Debian including 1 source packages (lava), 4 status rows across 4 suites (bookworm, bullseye, forky, sid): resolved 4. https://security-tracker.debian.org/tracker/CVE-2018-12563
ubuntu medium CVE-2018-12563 medium priority: Ubuntu including 2 source packages (lava, lava-server), 10 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): DNE 8, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2018-12563

Affected software / configurations for CVE-2018-12563

Vendor Product Version Raw CPE
linaro lava < 2018.5.post1 cpe:2.3:a:linaro:lava:*:*:*:*:*:*:*:*

References for CVE-2018-12563

cvelogic Threat Intelligence