CVE-2018-1308
HIGHEPSS 97th pctlDescription
This vulnerability in Apache Solr 1.2 to 6.6.2 and 7.0.0 to 7.2.1 relates to an XML external entity expansion (XXE) in the `&dataConfig=<inlinexml>` parameter of Solr's DataImportHandler. It 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.
How to fix
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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Very high risk: more likely to be exploited than 97% of all known CVEs.
References
Related Vulnerabilities
Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-34102 | Critical | 9.8 | 100% | KEV | Fix |
| CVE-2019-9670 | Critical | 9.8 | 100% | KEV | Fix |
| CVE-2022-28219 | Critical | 9.8 | 97% | - | - |
| CVE-2024-22024 | High | 8.3 | 95% | - | - |
| CVE-2024-38653 | High | 7.5 | 92% | - | - |
| CVE-2017-12629 | Critical | 9.8 | 92% | - | Fix |
Common questions
How do I fix CVE-2018-1308?
Upgrade lucene-solr on debian 12 to 3.6.2+dfsg-12 or later.
Is CVE-2018-1308 being actively exploited?
Not that we know of. CVE-2018-1308 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 21.2% is the estimated probability that it will be exploited in the next 30 days. That is higher than 97% of all scored CVEs.
How severe is CVE-2018-1308?
CVE-2018-1308 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2018-1308 affect?
Published advisories record a fix for lucene-solr (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.