CVE-2018-8010

This vulnerability in Apache Solr 6.0.0 to 6.6.3, 7.0.0 to 7.3.0 relates to an XML external entity expansion (XXE) in Solr config files (solrconfig.xml, schema.xml, managed-schema). In addition, Xinclude functionality provided in these config files is also affected in a similar way. The vulnerability can be used as XXE using file/ftp/http protocols in order to read arbitrary local files from the Solr server or the internal network. Users are advised to upgrade to either Solr 6.6.4 or Solr 7.3.1 releases both of which address the vulnerability. Once upgrade is complete, no other steps are required. Those releases only allow external entities and Xincludes that refer to local files / zookeeper resources below the Solr instance directory (using Solr's ResourceLoader); usage of absolute URLs is denied. Keep in mind, that external entities and XInclude are explicitly supported to better structure config files in large installations. Before Solr 6 this was no problem, as config files were not accessible through the APIs.

Published: 2018-05-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-8010 is rated Moderate Risk (55.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.92%). Core evidence: EPSS rose +2.21% over the last day, indicating growing attacker interest. 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-2018-8010

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 1.71% 3.92% +2.21%
2 2026-01-06 1.58% 1.71% +0.12%
3 2026-01-04 1.58%

Full EPSS history (26 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-8010

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 3.0 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
1.8 3.6 [email protected]
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2018-8010

GitHub Security Advisory for CVE-2018-8010

GHSA-rc9v-h28f-jcmf · Severity: medium · Ecosystem: maven — There is a XML external entity expansion (XXE) vulnerability in Apache Solr config files

OS Trackers for CVE-2018-8010

vendor priority summary link
debian unimportant CVE-2018-8010 unimportant priority: Debian including 1 source packages (lucene-solr), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-8010
redhat medium https://access.redhat.com/security/cve/CVE-2018-8010
ubuntu medium CVE-2018-8010 medium priority: Ubuntu including 1 source packages (lucene-solr), 5 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): not-affected 4, needs-triage 1. https://ubuntu.com/security/CVE-2018-8010

Affected software / configurations for CVE-2018-8010

Vendor Product Version Raw CPE
apache solr >= 6.0.0, <= 6.6.3 cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*
apache solr >= 7.0.0, <= 7.3.0 cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*

References for CVE-2018-8010

cvelogic Threat Intelligence