What is CVE-2022-50687?

CVE-2022-50687 is a medium-severity vulnerability in Cobiansoft Backup 11, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2025-12-22.

How severe is CVE-2022-50687?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Cobiansoft Backup 11

CVE-2022-50687

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (9.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cobiansoft Backup_11 — versions 11.2.0.582
Cobiansoft Cobian Backup Gravity — versions 11.2.0.582

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

disclosure@vulncheck.com (Exploit, Third Party Advisory, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2022-50687?: CVE-2022-50687 is a medium-severity vulnerability in Cobiansoft Backup 11, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2025-12-22.
How severe is CVE-2022-50687?: Medium severity. CVSS v3 base score is 5.5 out of 10.