CVE-2021-44548

Katalog CVE

CVSS 9.8 · Critical EPSS 5,1%

Kerentanan Improper Input Validation pada apache solr. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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 Shares or, in a worse-case scenario, Remote Code Execution This issue affects all Apache Solr versions prior to 8.11.1. This issue only affects Windows.

Rincian

Terbit di NVD

23 Desember 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation
CWE-40: Path Traversal: '\\UNC\share\name\' (Windows UNC Share)
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

5,1% peluang dieksploitasi; lebih tinggi dari 92,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://solr.apache.org/security.html#cve-2021-44548-apache-solr-information-disclosure-vulnerability-through-... advisory vendor
• https://security.netapp.com/advisory/ntap-20220114-0005/ advisory pihak ketiga