Security readout for executives and security teams
Plain-English summary
B. Braun OnlineSuite AP 3.0 and earlier has a path traversal flaw that can let unauthenticated attackers upload or download arbitrary files. That creates serious confidentiality and integrity risk for organizations running this product, especially if it is reachable from untrusted networks.
Executive priority
Treat as high priority for affected environments because unauthenticated arbitrary file access can expose sensitive data or alter system files. Prioritize asset discovery, network restriction, and vendor remediation confirmation.
Technical view
CVE-2020-25172 is a CWE-23 relative path traversal issue in B. Braun OnlineSuite AP 3.0 and earlier. The public description says unauthenticated attackers can upload or download arbitrary files. The provided sources do not include CVSS, detailed prerequisites, or a named fixed version.
Likely exposure
Exposure is likely limited to organizations operating B. Braun OnlineSuite AP 3.0 or earlier. Risk is highest where the service is network-accessible to unauthenticated users or reachable from less trusted network segments.
Exploitation context
The source bundle does not state active exploitation, and CISA KEV status is false. The vulnerability class and unauthenticated arbitrary file upload/download impact are concerning, but exploit availability and real-world abuse are not evidenced here.
Researcher notes
Available evidence identifies product, version range, CWE, and impact, but lacks CVSS, patch details, and exploitation evidence. Avoid assuming affected adjacent B. Braun products without vendor confirmation.
Mitigation direction
- Check CISA and B. Braun guidance for fixed versions or vendor mitigations.
- Inventory all OnlineSuite deployments and confirm AP version levels.
- Remove unauthenticated access from untrusted networks wherever possible.
- Place the service behind strict network segmentation and access control.
- Monitor for unexpected file uploads, downloads, or path traversal indicators.
Validation and detection
- Confirm whether OnlineSuite AP 3.0 or earlier is deployed.
- Verify the service is not reachable from internet or untrusted networks.
- Review access logs for suspicious file transfer activity.
- Check filesystem integrity for unexpected new or modified files.
- Document compensating controls if vendor remediation is unavailable.
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-23: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-25172 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://us-cert.cisa.gov/ics/advisories/icsma-20-296-01CVE 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.
Relative Path Traversal
Relative Path Traversal represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.