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CVE-2022-50687— Cobian Backup 11 Gravity 11.2.0.582 Local Denial of Service via Password Field

Quick assessment

Affected
Cobiansoft Cobian Backup Gravity
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 Backup Gravity是Luis Cobian个人开发者的一个文件备份软件。 Cobian Backup Gravity 11.2.0.582版本存在安全漏洞，该漏洞源于FTP密码输入字段可能导致拒绝服务攻击。

CVSS 5.5 · Medium EPSS 0.21% · P12

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-50687

Vulnerability Information
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Vulnerability Title
Cobian Backup 11 Gravity 11.2.0.582 Local Denial of Service via Password Field
Source: CVE Program / CVE List V5
Vulnerability Description
Cobian Backup 11 Gravity 11.2.0.582 contains a denial of service vulnerability in the FTP password input field that allows attackers to crash the application. Attackers can generate a specially crafted 800-byte buffer and paste it into the password field to trigger an application crash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 Backup Gravity 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cobian Backup Gravity是Luis Cobian个人开发者的一个文件备份软件。 Cobian Backup Gravity 11.2.0.582版本存在安全漏洞，该漏洞源于FTP密码输入字段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 Backup Gravity 11.2.0.582 -

II. Public POCs for CVE-2022-50687

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III. Intelligence Information for CVE-2022-50687

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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-2022-50689 6.2 MEDIUM Cobian Reflector 0.9.93 RC1 Local Denial of Service via Password Field

IV. Related Vulnerabilities

Same product: Cobian Backup Gravity
Same vendor: Cobiansoft
Same weakness: CWE-120

V. Comments for CVE-2022-50687

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