Security readout for executives and security teams
Plain-English summary
CVE-2021-47797 is a crash bug in Leawo Prof. Media 11.0.0.1. An oversized value in the activation keycode field can terminate the application, affecting availability. Public PoC information exists, but the supplied sources do not show active exploitation or a vendor patch.
Executive priority
Treat as a targeted availability risk, not a confirmed breach indicator. Prioritize if the software is used in production workflows or shared environments. Otherwise, handle through normal vulnerability management and vendor update review.
Technical view
The issue is reported as CWE-120 in Leawo Prof. Media 11.0.0.1. The CVSS 3.1 score is 7.5 high, with availability impact only. Sources describe a denial-of-service condition triggered through the registration interface activation keycode field. ExploitDB and VulnCheck reference a PoC.
Likely exposure
Exposure appears limited to systems running Leawo Prof. Media 11.0.0.1, especially where untrusted users can access registration workflows. The source data does not identify other affected versions or platforms.
Exploitation context
A public PoC is referenced by ExploitDB and VulnCheck. The sources do not indicate ransomware use, broad scanning, or inclusion in CISA KEV. The description suggests application crash rather than code execution.
Researcher notes
There is inconsistency between the CVSS vector indicating network, no user interaction, and the description indicating a pasted registration field value. Do not assume remote unauthenticated exploitability without stronger vendor or advisory evidence.
Mitigation direction
- Inventory installations of Leawo Prof. Media and identify version 11.0.0.1.
- Check Leawo guidance for updates, fixed versions, or vendor workarounds.
- Restrict access to the application registration interface on shared systems.
- Avoid entering activation data from untrusted sources.
- Consider upgrading or removing affected installations if no vendor fix is available.
Validation and detection
- Confirm installed Leawo Prof. Media version from software inventory or endpoint tooling.
- Review whether version 11.0.0.1 is present on business-critical systems.
- Check vendor and vulnerability advisories for updated remediation information.
- Monitor application crash logs for repeated registration-related failures.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-120: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-47797 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50153CVE reference · exploit
- Vendor HomepageCVE reference · product
- VulnCheck Advisory: Leawo Prof. Media 11.0.0.1 - Denial of Service (DoS) (PoC)CVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.