CVE-2021-44548
Apache Solr information disclosure vulnerability through DataImportHandler
描述
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.
如何修補 CVE-2021-44548
要修補 CVE-2021-44548,請將受影響套件升級到下列已修補版本。
- —升級至 8.11.1 或更新版本
- —升級至 8.11.1 或更新版本
CVE-2021-44548 正在被利用嗎?
中等 — EPSS 為 5.1%,可持續追蹤但非最高優先。
受影響套件(2)
- from 0, < 8.11.1
- from 0, < 8.11.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |