CVE-2021-44557
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I. Basic Information for CVE-2021-44557
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
National Library of the Netherlands multiNER <= c0440948057afc6e3d6b4903a7c05e666b94a3bc is affected by an XML External Entity (XXE) vulnerability in multiNER/ner.py. Since XML parsing resolves external entities, a malicious XML stream could leak internal files and/or cause a DoS.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
MultiNer代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
National Library Of The Netherlands / Research MultiNer是荷兰National Library Of The Netherlands / Research公司的用于将五种不同（荷兰语）命名实体识别包的输出合并为一个答案。 MultiNer存在安全漏洞，该漏洞源于digger在解析XML外部实体时安全考虑不足，攻击者可以通过构建恶意XML流泄漏内部文件并导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-44557
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/KBNLresearch/multiNERx_refsource_MISC
- https://github.com/KBNLresearch/multiNER/pull/3x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-44557
Same Patch Batch · n/a · 2021-12-08 · 21 CVEs total
| CVE-2021-44726 | 8.8 HIGH | Knime Server 跨站脚本漏洞 |
| CVE-2021-44725 | 7.5 HIGH | Knime Server 路径遍历漏洞 |
| CVE-2021-43978 | 7.1 HIGH | Allegro Windows 安全漏洞 |
| CVE-2021-42110 | 7.1 HIGH | Allegro Windows 输入验证错误漏洞 |
| CVE-2021-40861 | Genesys Intelligent Workload Distribution SQL注入漏洞 | |
| CVE-2021-44529 | Ivanti Endpoint Manager 代码注入漏洞 | |
| CVE-2021-3370 | DouCo DouPHP 跨站脚本漏洞 | |
| CVE-2020-22421 | 迅易科技 74cms 跨站脚本漏洞 | |
| CVE-2018-25020 | Linux kernel 安全漏洞 | |
| CVE-2021-44556 | National Library Of The Netherlands / Research Digger 代码问题漏洞 | |
| CVE-2021-42835 | PLEX Plex Media Server 访问控制错误漏洞 | |
| CVE-2021-40860 | Genesys Intelligent Workload Distribution SQL注入漏洞 | |
| CVE-2021-21957 | Dream Report ODS Remote Connector 安全漏洞 | |
| CVE-2021-41450 | Tp-link TP-Link AX10 环境问题漏洞 | |
| CVE-2021-41063 | Aanderaa GeoView SQL注入漏洞 | |
| CVE-2021-43399 | yubihsm-shell 缓冲区错误漏洞 | |
| CVE-2020-27416 | Maharashtra State Electricity Distribution Mahavitaran 代码问题漏洞 | |
| CVE-2021-4048 | Lapack 缓冲区错误漏洞 | |
| CVE-2021-21951 | Eufy Anker Eufy Homebase 缓冲区错误漏洞 | |
| CVE-2021-21950 | Eufy Anker Eufy Homebase 缓冲区错误漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-44557
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