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CVE-2013-6397

46
FAUCET Score

CVE-2013-6397 is a directory traversal vulnerability affecting Apache Solr versions prior to 4.6. This flaw allows remote attackers to read arbitrary files by manipulating the 'tr' parameter with dot-dot sequences or full pathnames, specifically when the response writer is set to XSLT. The vulnerability has a CVSS score of 4.3 (medium severity), indicating a network-based attack with medium complexity and potential for partial confidentiality impact. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, including an article detailing its potential for compromising unreachable Solr servers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.5.1CPE matchmatch criteria
cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:apache:solr:4.0.0:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:apache:solr:4.0.0:alpha:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:apache:solr:4.0.0:beta:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:a:apache:solr:4.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
56.26%
Probability of exploitation in next 30 days
EPSS Percentile
99.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.5625 is in the 99th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

mavenpatch availablevia ghsa
Product: org.apache.solr:solr-coreFixed in: 4.6.0
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Data Grid 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Framework Kit 2.4
View patch
redhatno patchvia redhat_api
Product: Red Hat JBoss Data Grid 6Fixed in: solr

Vendor Advisories (2)

mavenGHSA-j8qw-mwmv-28cgmedium

Improper Limitation of a Pathname to a Restricted Directory in Apache Solr

May 17, 2022
redhatCVE-2013-6397Important

Solr: directory traversal when loading XSL stylesheets and Velocity templates

Nov 26, 2013

References

lucene.apache.org / solr/4_6_0/changes/Changes.html
rhn.redhat.com / errata/RHSA-2013-1844.html
rhn.redhat.com / errata/RHSA-2014-0029.html
secunia.com / advisories/55730
Vendor Advisory
secunia.com / advisories/59372
issues.apache.org / jira/browse/SOLR-4882
Patch
agarri.fr / kom/archives/2013/11/27/compromising_an_unreachable_solr_server_with_cve-2013-6397/index.html
Exploit
openwall.com / lists/oss-security/2013/11/27/1
securityfocus.com / bid/63935