Vulnerability in Sandboxie-Plus Sandboxie
CVE-2021-47831
Sandboxie 5.49.7 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the container folder input field. Attackers can paste a large buffer of repeated characters into the Sandbox container folder setting to trigger an application crash.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000
Affected products
- Sandboxie-Plus Sandboxie — versions 5.49.7
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49844 (exploit)
- sandboxie-plus.com/ (product)
- www.vulncheck.com/advisories/sandboxie-denial-of-service (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47831?
- CVE-2021-47831 is a high-severity vulnerability in Sandboxie-Plus Sandboxie, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2026-01-16.
- How severe is CVE-2021-47831?
- High severity. CVSS v3 base score is 7.5 out of 10.