How severe is CVE-2013-6397?

CVE-2013-6397 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-6397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 56% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6397?

CVE-2013-6397 primarily affects Apache Solr. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6397?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6397 published?

CVE-2013-6397 was published on 2013-12-07 and last updated on 2026-06-17.

CVE-2013-6397

CVE-2013-6397 is a medium-severity vulnerability in Apache Solr with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 56% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 56% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Apache Solr
Published: 2013-12-07
Last modified: 2026-06-17

Description

Directory traversal vulnerability in SolrResourceLoader in Apache Solr before 4.6 allows remote attackers to read arbitrary files via a .. (dot dot) or full pathname in the tr parameter to solr/select/, when the response writer (wt parameter) is set to XSLT. NOTE: this can be leveraged using a separate XXE (XML eXternal Entity) vulnerability to allow access to files across restricted network boundaries.

Frequently asked questions

What is CVE-2013-6397?: Directory traversal vulnerability in SolrResourceLoader in Apache Solr before 4.6 allows remote attackers to read arbitrary files via a .. (dot dot) or full pathname in the tr parameter to solr/select/, when the response writer (wt parameter) is set to XSLT. NOTE: this can be leveraged using a separate XXE (XML eXternal Entity) vulnerability to allow access to files across restricted network boundaries.
How severe is CVE-2013-6397?: CVE-2013-6397 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-6397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 56% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6397?: CVE-2013-6397 primarily affects Apache Solr. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6397 published?: CVE-2013-6397 was published on 2013-12-07 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.0.0:alpha:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.4.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:solr:4.5.0:*:*:*:*:*:*:*

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