VulnerabilityModified

CVE-2017-3163

However, Solr before 5.5.4 and 6.x before 6.4.1 did not validate the file name, hence it was possible to craft a special request involving path traversal, leaving any file readable to the Solr server process exposed.

HIGH 7.5EPSS 6.56%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

When using the Index Replication feature, Apache Solr nodes can pull index files from a master/leader node using an HTTP API which accepts a file name. However, Solr before 5.5.4 and 6.x before 6.4.1 did not validate the file name, hence it was possible to craft a special request involving path traversal, leaving any file readable to the Solr server process exposed. Solr servers protected and restricted by firewall rules and/or authentication would not be at risk since only trusted clients and users would gain direct HTTP access.

CVSS 3.0: 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 6.56% probability · 93th percentile
CISA KEV: Not listed
Weakness: CWE-22
Affected: apache/solr
Source: security@apache.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.