Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck

CVE-2021-47797Leawo Prof. Media 11.0.0.1 - Denial of Service (DoS) (PoC)

High 7.5

In plain English

A high-severity buffer overflow in Leawo Prof. Media from Leawo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 65.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Leawo Leawo Prof. Media 11.0.0.1

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References