CVE-2018-1000056

Jenkins JUnit Plugin 1.23 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.

Published: 2018-02-09 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-1000056 is rated Moderate Risk (45.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). 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-2018-1000056

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 2025-08-26 0.15% 0.15% -0.01%
2 2025-03-25 0.10% 0.15% +0.05%
3 2023-03-07 0.10%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1000056

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.3 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.5 [email protected]
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 6.4 [email protected]

Weakness enumeration for CVE-2018-1000056

GitHub Security Advisory for CVE-2018-1000056

GHSA-4rj6-9pjh-882r · Severity: high · Ecosystem: maven — Improper Restriction of XML External Entity Reference in Jenkins JUnit Plugin

OS Trackers for CVE-2018-1000056

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2018-1000056

Affected software / configurations for CVE-2018-1000056

Vendor Product Version Raw CPE
jenkins junit <= 1.23 cpe:2.3:a:jenkins:junit:*:*:*:*:*:jenkins:*:*

References for CVE-2018-1000056

cvelogic Threat Intelligence