Security readout for executives and security teams
Plain-English summary
CVE-2025-65783 describes a critical file-upload flaw in Hubert Imoveis e Administracao Ltda Hub v2.0 1.27.3. An unauthenticated attacker could reportedly upload a crafted PDF and achieve arbitrary code execution. That can mean full compromise of the affected application server if the vulnerable component is exposed.
Executive priority
Treat as urgent for any confirmed deployment because the reported outcome is unauthenticated remote code execution. Prioritize finding exposed systems first; the public record does not provide a named patch in the supplied sources.
Technical view
The reported issue is CWE-434 in the /utils/uploadFile component. The CVSS 3.1 score is 9.8 with network attack vector, low complexity, no privileges, and no user interaction. The source bundle does not name a vendor patch, affected CPE, or remediation release.
Likely exposure
Exposure is likely limited to organizations running Hubert Imoveis e Administracao Ltda Hub v2.0 1.27.3 with /utils/uploadFile reachable, especially from the internet. The CVE metadata has incomplete affected-product fields, so asset validation is important.
Exploitation context
The CVE states arbitrary code execution is possible through a crafted PDF upload. CISA KEV status is false in the source bundle, and no cited source here confirms active exploitation in the wild.
Researcher notes
Evidence is sparse. The CVE record gives a high-impact upload-to-code-execution claim and one GitHub research reference, but affected CPEs are empty and remediation details are absent. Avoid assuming broader product impact beyond Hub v2.0 1.27.3.
Mitigation direction
- Identify any Hub v2.0 1.27.3 deployments and owners.
- Check vendor or maintainer guidance for a fixed release or workaround.
- Restrict access to /utils/uploadFile if business operations allow.
- Require authentication and tight authorization for upload workflows.
- Review upload storage, file validation, and execution controls.
Validation and detection
- Inventory applications matching the named product and version.
- Confirm whether /utils/uploadFile exists and is externally reachable.
- Review web and application logs for unusual PDF uploads.
- Check for unexpected files or processes created by upload handling.
- Track the CVE reference repository for updated technical details.
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-434: 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 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 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-2025-65783 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.
SSVC decision data
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:H3.95.9CISA-ADPVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/carlos-artmann/vulnerability-research/tree/main/CVE-2025-65783CVE reference, mitre
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.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.