Security readout for executives and security teams
Plain-English summary
Rubo DICOM Viewer 2.0 has a critical memory corruption flaw in the DICOM server name input field. A crafted text file can overwrite exception-handling data and may allow arbitrary code execution. This matters most where the viewer is installed on workstations handling medical imaging data.
Executive priority
Treat as high-priority if Rubo DICOM Viewer 2.0 exists in your environment. The flaw can allow code execution, and public exploit information exists. If the product is not present, no direct exposure is indicated by the provided sources.
Technical view
The issue is a stack-based buffer overflow, CWE-121, involving Structured Exception Handler overwrite in Rubo DICOM Viewer 2.0. The CVSS 3.1 score is 9.8. Public references describe arbitrary code execution via a malicious text file targeting the DICOM server name input field.
Likely exposure
Exposure is limited to environments running Rubo DICOM Viewer 2.0. Healthcare, radiology, imaging, or lab systems are the most likely locations. The source bundle does not identify other affected versions or products.
Exploitation context
A public ExploitDB entry exists, but the CVE is not listed as CISA KEV in the provided data. There is no cited evidence of active exploitation. The available description indicates exploitation uses a crafted text file and triggers memory corruption leading to code execution.
Researcher notes
Evidence is centered on Rubo DICOM Viewer 2.0, CWE-121, SEH overwrite, and public exploit publication. The bundle does not provide a vendor patch, fixed version, or active exploitation evidence. Avoid assuming broader Rubo product impact without additional vendor confirmation.
Mitigation direction
- Identify and remove or replace Rubo DICOM Viewer 2.0 where possible.
- Check Rubo Medical Imaging or trusted advisory sources for vendor guidance.
- Restrict use of untrusted DICOM-related files and configuration inputs.
- Isolate affected imaging workstations from unnecessary network access.
- Run the viewer with least-privileged user accounts where feasible.
Validation and detection
- Inventory endpoints for Rubo DICOM Viewer 2.0 installations.
- Confirm whether the DICOM server name input feature is used.
- Review security tools for crashes or suspicious activity around the viewer.
- Verify vulnerable systems are removed, replaced, or risk-accepted.
- Document compensating controls for any systems that must remain in service.
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-2020-37120 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-48351CVE reference · exploit
- Archived Rubo DICOM Viewer Product PageCVE reference · product
- VulnCheck Advisory: Rubo DICOM Viewer 2.0 - Buffer Overflow (SEH)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.
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.