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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (11.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Cobiansoft Backup 11 — versions 11.2.0.582
- Cobiansoft Cobian Backup Gravity — versions 11.2.0.582
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50790 (Exploit, Third Party Advisory, exploit)
- www.cobiansoft.com/ (Product, product)
- www.vulncheck.com/advisories/cobian-backup-gravity-local-denial-of-service-via-… (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.