Vulnerability · CVE-2021-47797
Leawo Prof.
Published Jan 15, 2026 · catalog updated Jan 16, 2026 · Leawo Leawo Prof. Media
Last checked Nov 5, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2021-47797. EPSS is 0.40%. Act only if a listed version of Leawo Leawo Prof. Media is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.40%
- Remediation
- Vendor / distro source
- Affected products
- vendor Leawo Leawo Prof. Media 11.0.0.1
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Leawo Leawo Prof. Media 11.0.0.111.0.0.1
How to fix CVE-2021-47797
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 11.0.0.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2021-47797. EPSS is 0.40%. Act only if a listed version of Leawo Leawo Prof. Media is installed.
Which versions are affected?
Compare what you have installed with Leawo Leawo Prof. Media 11.0.0.1 11.0.0.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 15, 2026 · EUVD
Detected
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.
Jan 16, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2021-47797
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2021-47797
30-day exploitation probability 0.40%
first.org - EUVDVulnerability recordEUVD-2026-3001
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
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 5, 2026
- CVE.orgOct 30, 2026
- EUVDOct 30, 2026