Security readout for executives and security teams
Plain-English summary
Integria IMS 5.0.92 has an unauthenticated file-upload flaw that can lead to remote code execution. An attacker would not need credentials or user interaction. For organizations running this product, especially if internet-facing, this is a high-urgency exposure because successful compromise could affect confidentiality, integrity, and availability.
Executive priority
Immediate attention is warranted for any exposed Integria IMS 5.0.92 instance. The business concern is full system compromise without credentials. If the product is not deployed, record that finding and close as not applicable.
Technical view
CVE-2021-3832 is a CWE-434 unrestricted file upload issue in Integria IMS 5.0.92. The source states an unauthenticated attacker could abuse the AsyncUpload() function to achieve remote code execution. CVSS v3.1 is 9.8: network-accessible, low complexity, no privileges, no user interaction, unchanged scope, and high CIA impact.
Likely exposure
Exposure is most likely where Integria IMS 5.0.92 is deployed and reachable by untrusted networks. Internet-facing deployments carry the highest risk. The source bundle does not identify other affected versions or deployment conditions.
Exploitation context
The provided sources support unauthenticated remote code execution through file uploading, but do not show CISA KEV listing or confirmed active exploitation. Treat this as exploitable in principle because the weakness is unauthenticated, network-reachable, and critical.
Researcher notes
Evidence is clear on affected product, version, vulnerability class, and unauthenticated RCE path. Evidence is incomplete on active exploitation, fixed version, and official mitigation details in the provided bundle. Avoid assuming additional affected versions.
Mitigation direction
- Identify all Integria IMS deployments and confirm exact versions.
- Check vendor and INCIBE guidance for fixed versions or official mitigations.
- Restrict access to trusted networks or VPN until remediated.
- Prioritize remediation for internet-facing Integria IMS 5.0.92 systems.
- Increase monitoring for unexpected uploads or web process execution.
Validation and detection
- Confirm whether any host is running Integria IMS 5.0.92.
- Check whether Integria IMS is reachable from the internet.
- Review application and web logs for unusual AsyncUpload activity.
- Review file upload directories for unexpected executable content.
- Verify any remediation against vendor guidance before reopening access.
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 lookupCVE-2021-3832 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
- https://www.incibe-cert.es/en/early-warning/security-advisories/integria-ims-remote-code-executionCVE reference · x_refsource_CONFIRM
- https://integriaims.com/en/services/updates/CVE reference · x_refsource_CONFIRM
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.