Security readout for executives and security teams
Plain-English summary
CVE-2020-36971 affects Nidesoft 3GP Video Converter 2.6.18, a desktop video conversion tool. A specially crafted license code entered into the registration field can crash or take over the application process. This is not a network worm risk, but it matters where the software is installed on user workstations.
Executive priority
Treat as a targeted workstation risk, not an internet-facing emergency. Prioritize discovery and removal because public exploit information exists and no patch is identified in the provided sources. Focus first on endpoints used by privileged users or environments handling sensitive data.
Technical view
The issue is a local stack buffer overflow, classified as CWE-121, in the license registration parameter of Nidesoft 3GP Video Converter 2.6.18. The CVSS 4.0 score is 8.4 with local attack vector, low complexity, no privileges required, and active user interaction required. Sources state arbitrary code execution is possible.
Likely exposure
Exposure is limited to systems with Nidesoft 3GP Video Converter version 2.6.18 installed. The attack requires local interaction with the application, specifically user handling of malicious registration input. Servers are unlikely to be exposed unless this desktop software is installed there.
Exploitation context
ExploitDB and VulnCheck reference public exploit information, but the CVE is not marked as CISA KEV in the provided data. There is no provided evidence of active exploitation in the wild. Practical exploitation depends on convincing a user or operator to input malicious license data.
Researcher notes
The provided sources identify the vulnerable input as the license registration parameter and the affected product/version as Nidesoft 3GP Video Converter 2.6.18. Evidence does not include vendor patch details, CPEs, or active exploitation confirmation. Avoid assuming other Nidesoft products or versions are affected.
Mitigation direction
- Inventory endpoints for Nidesoft 3GP Video Converter 2.6.18.
- Remove the software where it is not required.
- If required, restrict use to isolated, low-privilege workstations.
- Check vendor or trusted advisory sources for update or retirement guidance.
- Block untrusted license or registration data from being used.
Validation and detection
- Confirm whether version 2.6.18 is installed on managed endpoints.
- Review software inventory, EDR, and application control records.
- Verify users do not run the application with administrator privileges.
- Check whether the application is still business-required.
- Document compensating controls if removal is not immediately possible.
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-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-36971 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
- 8.4 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.4HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49034CVE reference · exploit
- Archived Software RepositoryCVE reference · product
- VulnCheck Advisory: Nidesoft 3GP Video Converter 2.6.18 - Local Stack Buffer OverflowCVE 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.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.