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CVE-2022-50689— Cobian Reflector 0.9.93 RC1 Local Denial of Service via Password Field

Quick assessment

Affected
Cobiansoft Cobian Reflector
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.

Cobian Reflector是Luis Cobian个人开发者的一个文件备份软件。 Cobian Reflector 0.9.93 RC1版本存在安全漏洞，该漏洞源于密码输入字段溢出可能导致拒绝服务攻击。

CVSS 6.2 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-50689

Vulnerability Information
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Vulnerability Title
Cobian Reflector 0.9.93 RC1 Local Denial of Service via Password Field
Source: CVE Program / CVE List V5
Vulnerability Description
Cobian Reflector 0.9.93 RC1 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the password input field. Attackers can paste a large 8000-byte buffer into the password field to trigger an application crash during SFTP task configuration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Cobian Reflector 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cobian Reflector是Luis Cobian个人开发者的一个文件备份软件。 Cobian Reflector 0.9.93 RC1版本存在安全漏洞，该漏洞源于密码输入字段溢出可能导致拒绝服务攻击。
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
Cobiansoft Cobian Reflector 0.9.93 -

II. Public POCs for CVE-2022-50689

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III. Intelligence Information for CVE-2022-50689

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Same Patch Batch · Cobiansoft · 2025-12-22 · 3 CVEs total

CVE-2022-50688 8.4 HIGH Cobian Backup Gravity 11.2.0.582 Unquoted Service Path Privilege Escalation
CVE-2022-50687 5.5 MEDIUM Cobian Backup 11 Gravity 11.2.0.582 Local Denial of Service via Password Field

IV. Related Vulnerabilities

Same vendor: Cobiansoft
Same weakness: CWE-120

V. Comments for CVE-2022-50689

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