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CVE-2023-53873— SyncBreeze 15.2.24 Denial of Service via Login Endpoint Overflow

Quick assessment

Affected
Syncbreeze SyncBreeze
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Flexense SyncBreeze是Flexense公司的一款文件同步和备份工具。 Flexense SyncBreeze 15.2.24版本存在资源管理错误漏洞，该漏洞源于登录认证机制存在拒绝服务漏洞，可能导致服务崩溃。

AI Predicted 5.3 Difficulty: Easy EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2023-53873

Vulnerability Information
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Vulnerability Title
SyncBreeze 15.2.24 Denial of Service via Login Endpoint Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
SyncBreeze 15.2.24 contains a denial of service vulnerability in the login authentication mechanism that allows attackers to crash the service. Attackers can send an oversized password parameter with repeated 'password=' values to overwhelm the login endpoint and potentially disrupt service availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Flexense SyncBreeze 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flexense SyncBreeze是Flexense公司的一款文件同步和备份工具。 Flexense SyncBreeze 15.2.24版本存在资源管理错误漏洞，该漏洞源于登录认证机制存在拒绝服务漏洞，可能导致服务崩溃。
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
Syncbreeze SyncBreeze 15.2.24 -

II. Public POCs for CVE-2023-53873

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III. Intelligence Information for CVE-2023-53873

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Exploits & Public PoCs for CVE-2023-53873 (1)

Other References for CVE-2023-53873 (1)

IV. Related Vulnerabilities

Same product: SyncBreeze
Same vendor: Syncbreeze
Same weakness: CWE-400

V. Comments for CVE-2023-53873

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