What is CVE-2021-44548?

CVE-2021-44548 is a critical-severity vulnerability in Apache Solr, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-12-23.

How severe is CVE-2021-44548?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in Apache Solr

CVE-2021-44548

An Improper Input Validation vulnerability in DataImportHandler of Apache Solr allows an attacker to provide a Windows UNC path resulting in an SMB network call being made from the Solr host to another host on the network. If the attacker…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.051 (91.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Solr
Apache Software Foundation Solr — versions unspecified
Microsoft Windows

Weakness classification (CWE)

References

security@apache.org (x_refsource_MISC, Vendor Advisory)
security@apache.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-44548?: CVE-2021-44548 is a critical-severity vulnerability in Apache Solr, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-12-23.
How severe is CVE-2021-44548?: Critical severity. CVSS v3 base score is 9.8 out of 10.