Denial of Service Vulnerability in Leawo Prof. Media by Leawo
CVE-2021-47797

6.7MEDIUM

Key Information:

Vendor

Leawo

Status
Leawo Prof. Media
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47797?

Leawo Prof. Media version 11.0.0.1 is vulnerable to a Denial of Service due to improper handling of input in the activation keycode field. An attacker can exploit this vulnerability by sending an oversized payload, specifically a 6000-byte buffer filled with repeated characters. When this payload is input into the registration interface, it can trigger a crash of the application, disrupting services for legitimate users.

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Affected Version(s)

Leawo Prof. Media 11.0.0.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47797 - Proof of Concept

References

https://www.exploit-db.com/exploits/50153
exploit
https://www.leawo.org
product
https://www.vulncheck.com/advisories/leawo-prof-media-den...
third-party-advisory

CVSS V4

Score:
6.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Achilles
JSON
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