Security readout for executives and security teams
Plain-English summary
CVE-2020-23902 is a buffer overflow in WildBit Viewer v6.6 triggered by a crafted TGA image file. The documented impact is denial of service, meaning the application may crash when processing a malicious file. The source bundle does not provide CVSS, a vendor patch, or evidence of active exploitation.
Executive priority
Treat as a targeted workstation-risk issue, not an enterprise-wide emergency based on available evidence. Prioritize if design, media, or support teams open externally supplied TGA files.
Technical view
The CVE describes a buffer overflow in WildBit Viewer v6.6 related to TGA parsing, with fault context in Editor!TMethodImplementationIntercept+0x528a3. Available metadata does not include CWE, CVSS, complete CPEs, or confirmed remediation details. The stated impact is DoS via crafted TGA file handling.
Likely exposure
Exposure is most likely on workstations or workflows using WildBit Viewer v6.6 to open TGA image files, especially files received externally. Structured affected-product metadata is incomplete.
Exploitation context
The provided sources describe a crafted TGA file causing denial of service. CISA KEV status is false, and the bundle provides no evidence of active exploitation in the wild.
Researcher notes
Evidence is sparse: no CVSS, CWE, patch statement, CPE, or exploitation-in-the-wild confirmation is included. The public record supports DoS from crafted TGA parsing, but not broader impact such as code execution.
Mitigation direction
- Check vendor guidance and current WildBit Viewer releases for fixes or replacement versions.
- Avoid opening untrusted TGA files in WildBit Viewer v6.6.
- Restrict TGA handling to isolated or non-production workstations where feasible.
- Remove WildBit Viewer v6.6 where it is not operationally required.
- Use endpoint controls to limit risky file associations if supported.
Validation and detection
- Inventory systems for WildBit Viewer v6.6 installations.
- Identify workflows that receive or process external TGA files.
- Confirm whether a newer vendor-supported version is deployed.
- Review endpoint crash telemetry for WildBit Viewer failures involving TGA files.
- Verify users handling external images have safer viewer alternatives.
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.
CVE-2020-23902 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wildbit-soft.fi/software.htmlCVE reference · x_refsource_MISC
- https://github.com/Aurorainfinity/vulnerabilities/blob/master/WildBit_Viewer/tga_file_format.mdCVE reference · x_refsource_MISC
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.