Buffer overflow in Leawo Prof. Media
CVE-2021-47797
Leawo Prof. Media 11.0.0.1 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized payload in the activation keycode field. Attackers can generate a 6000-byte buffer of repeated characters to trigger an application crash when pasted into the registration interface.
Vulnerability class: Buffer Overflow
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 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% 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
- Leawo Prof. Media — versions 11.0.0.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50153 (exploit)
- www.leawo.org (product)
- www.vulncheck.com/advisories/leawo-prof-media-denial-of-service-dos-poc (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47797?
- CVE-2021-47797 is a high-severity vulnerability in Leawo Prof. Media, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-01-16.
- How severe is CVE-2021-47797?
- High severity. CVSS v3 base score is 7.5 out of 10.