Security readout for executives and security teams
Plain-English summary
YetiShare versions 3.5.2 through 4.5.3 did not mark session cookies with SameSite. A browser may include those cookies on cross-site requests, which can enable cross-site request forgery against logged-in users if other protections are missing.
Executive priority
Treat this as a scheduled remediation item unless the instance handles sensitive data or exposes privileged workflows, where it should be prioritized sooner. There is no cited active exploitation evidence in the provided sources.
Technical view
The issue is missing SameSite on session cookies in MFScripts YetiShare 3.5.2 through 4.5.3. The CVE describes potential CSRF because authenticated cookies may accompany cross-site requests. No CVSS score, CWE, patch, or detailed affected CPE data is included in the provided sources.
Likely exposure
Exposure is limited to deployments of MFScripts YetiShare 3.5.2 through 4.5.3 using cookie-based authenticated browser sessions. Risk is higher for internet-accessible admin or user workflows with state-changing actions.
Exploitation context
The source bundle does not show KEV listing or active exploitation. Abuse would require a victim with an active session to trigger a cross-site request. Real impact depends on available state-changing actions and whether other CSRF defenses exist.
Researcher notes
Evidence is sparse: the CVE record describes missing SameSite and potential CSRF, but provides no CVSS, CWE, patch reference, or exploit confirmation. Validate exposure through version inventory and cookie/header review before assigning operational urgency.
Mitigation direction
- Check MFScripts guidance for fixed versions or vendor-supported cookie hardening.
- Upgrade YetiShare if the vendor identifies a corrected release.
- Set SameSite on session cookies where supported by the application or edge layer.
- Ensure sensitive state-changing actions require CSRF tokens or equivalent server-side checks.
- Restrict administrative access and session lifetime for exposed YetiShare deployments.
Validation and detection
- Inventory YetiShare deployments and confirm whether versions are 3.5.2 through 4.5.3.
- Inspect authenticated Set-Cookie headers for a SameSite attribute.
- Review sensitive POST or state-changing endpoints for CSRF token enforcement.
- After remediation, confirm session cookies include an appropriate SameSite value.
- Check vendor release notes or support channels for official fixes.
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-2019-19737 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://medium.com/%40jra8908/yetishare-3-5-2-4-5-3-multiple-vulnerabilities-2d01d0cd7459CVE 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.