CVE-2020-8289
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I. Basic Information for CVE-2020-8289
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Backblaze 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Backblaze是美国Backblaze公司的一款云端备份服务。 Backblaze for Windows 7.0.1.433之前版本 and Backblaze for macOS 7.0.1.434之前版本存在信任管理问题漏洞，该漏洞源于 bztransmit helper中遭受不适当的证书验证，这是由于url中字符串的硬编码白名单被禁用，导致可能通过客户端更新功能远程执行代码。
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 |
|---|---|---|---|---|
| - | Backblaze | Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 | - |
II. Public POCs for CVE-2020-8289
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | CVE-2020-8289 – Remote Code Execution as SYSTEM/root via Backblaze | https://github.com/geffner/CVE-2020-8289 | POC Details |
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-8289
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- https://youtu.be/W0THXbcX5V8x_refsource_MISC
- https://github.com/geffner/CVE-2020-8289/blob/master/README.mdx_refsource_MISC
- https://hackerone.com/reports/818853x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-8289
Same Patch Batch · n/a · 2020-12-27 · 12 CVEs total
| CVE-2020-35736 | Liftoff GateOne 路径遍历漏洞 | |
| CVE-2020-29156 | WordPress plugin WooCommerce 权限许可和访问控制问题漏洞 | |
| CVE-2020-29250 | Cxuucms 跨站脚本漏洞 | |
| CVE-2020-29249 | Cxuucms 跨站脚本漏洞 | |
| CVE-2020-29299 | Zyxel ZLD和Zyxel SD-OS 命令注入漏洞 | |
| CVE-2020-29204 | XXL-JOB 跨站脚本漏洞 | |
| CVE-2020-35729 | KLog Server 操作系统命令注入漏洞 | |
| CVE-2020-35728 | FasterXML jackson-databind 代码问题漏洞 | |
| CVE-2020-35448 | GNU Binutils 缓冲区错误漏洞 | |
| CVE-2020-8290 | Backblaze 权限许可和访问控制问题漏洞 | |
| CVE-2020-35678 | Python 输入验证错误漏洞 |
IV. Related Vulnerabilities
Same product: Backblaze
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
Same weakness: CWE-295
V. Comments for CVE-2020-8289
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