CVE-2021-44548

CWE-20 — Improper Input ValidationCWE-40CWE-22 — Path Traversal5 documents5 sources
Severity
9.8CRITICAL
EPSS
6.7%
top 8.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apache Software Foundation Apache SolrApache Solr
Timeline
PublishedDec 23
Latest updateJan 6

Description

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 has wider access to the network, this may lead to SMB attacks, which may result in: * The exfiltration of sensitive data such as OS user hashes (NTLM/LM hashes), * In case of misconfigured systems, SMB Relay Attacks which can lead to user impersonation on SMB S…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶NVDapache/solr< 8.11.1
▶CVEListV5apache_software_foundation/apache_solrunspecified — 8.11.1

🔴Vulnerability Details

3
OSV
Apache Solr Improper Input Validation and Path Traversal↗2022-01-06
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GHSA
Apache Solr Improper Input Validation and Path Traversal↗2022-01-06
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CVEList
Apache Solr information disclosure vulnerability through DataImportHandler↗2021-12-23
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📋Vendor Advisories

1
Debian
CVE-2021-44548: lucene-solr - An Improper Input Validation vulnerability in DataImportHandler of Apache Solr a...↗2021
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CVE-2021-44548 (CRITICAL CVSS 9.8) | An Improper Input Validation vulner | cvebase.io