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CVE-2018-1308· NVD / CVE Program· CNA apache

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=<inl

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.

HighCVSS 7.5 · v3.0—No exploit Fix available
Published
Apr 9, 2018
Updated
Jun 16, 2026
EPSS
20.8% · 97th percentile
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Report tools

JSON

Action score

36

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
6 / 30 · 20.8%

Affected systems

VendorProduct
apachesolr
debiandebian linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • apache solr1.2 and later · up to 6.6.2 inclusive
  • apache solr7.0.0 and later · up to 7.2.1 inclusive
  • debian debian linux7.0
  • debian debian linux8.0
  • debian debian linux9.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apache). Independent of NVD's CPE analysis and usually ahead of it.

  • Apache Software Foundation Apache Solr

    • 1.2 to 6.6.2, 7.0.0 to 7.2.1affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12lucene-solrbefore 3.6.2+dfsg-123.6.2+dfsg-12
Debian:7lucene-solrbefore 3.6.0+dfsg-1+deb7u43.6.0+dfsg-1+deb7u4
Debian:8lucene-solrbefore 3.6.2+dfsg-5+deb8u23.6.2+dfsg-5+deb8u2
Debian:9lucene-solrbefore 3.6.2+dfsg-10+deb9u23.6.2+dfsg-10+deb9u2
Mavenorg.apache.solr:solr-corefrom 1.2 · before 6.6.36.6.3
Mavenorg.apache.solr:solr-corefrom 7.0.0 · before 7.3.07.3.0

Same product

apache: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-17558Apache Solr 5.0.0 to Apache Solr 8.3.1 are vulnerable to a Remote Code Execution through the VelocityResponseWriter.KEV
    90Now
  • CVE-2019-0193In Apache Solr, the DataImportHandler, an optional but popular module to pull in data from databases and other sources, has a feature in whiKEV
    83Now
  • CVE-2024-45216Apache Solr: Authentication bypass possible using a fake URL Path ending
    67This week
  • CVE-2021-27905SSRF vulnerability with the Replication handler
    67This week
  • CVE-2017-12629Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting XXE in conjunction with use of a Config A
    67This week
  • CVE-2020-13957Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3 and 8.0.0 to 8.6.2 prevents some features considered dangerous (which could be used for
    63This week

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:lucene-solr3.6.2+dfsg-12 · Debian:12Package registry (OSV)
Maven:org.apache.solr:solr-core6.6.3Package registry (OSV)
Maven:org.apache.solr:solr-core7.3.0Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-611 · Improper Restriction of XML External Entity Reference

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records