Security readout for executives and security teams
Plain-English summary
CVE-2019-3706 is a high-severity authentication bypass in Dell EMC iDRAC9. An attacker who can reach the iDRAC web interface may gain management access without valid credentials by sending specially crafted data. For servers, iDRAC access can affect availability and operational control, so exposed management networks deserve prompt attention.
Executive priority
Treat this as a prompt infrastructure risk item, especially for remotely reachable management interfaces. Prioritize exposed or broadly reachable iDRAC9 systems first, then complete firmware validation across the server fleet.
Technical view
Dell EMC iDRAC9 versions prior to 3.24.24.24, 3.21.26.22, 3.22.22.22, and 3.21.25.22 contain a web interface authentication bypass. CVSS 3.0 is 8.6: network exploitable, low complexity, no privileges, no user interaction, with low confidentiality and integrity impact and high availability impact.
Likely exposure
Exposure is most likely where Dell EMC iDRAC9 web interfaces are reachable from user networks, vendor networks, or the internet. Internal-only management interfaces still matter because no credentials are required once the interface is reachable.
Exploitation context
The provided sources support remote unauthenticated exploitation against the iDRAC web interface using specially crafted data. CISA KEV is false in the bundle, and no cited source confirms active exploitation or public exploit availability.
Researcher notes
The main evidence is the CVE record and Dell advisory. The source bundle does not provide CWE mapping, exploit details, or evidence of active exploitation. The multiple fixed version numbers likely reflect different firmware branches; validate applicability against Dell’s advisory for each asset.
Mitigation direction
- Identify all Dell EMC iDRAC9 instances and their firmware branches.
- Apply the Dell EMC fixes listed in DSA-2019-028 for the relevant branch.
- Restrict iDRAC web access to dedicated management networks and trusted administrators.
- Remove any internet exposure of iDRAC management interfaces.
- Review vendor guidance before applying compensating controls or exceptions.
Validation and detection
- Compare installed iDRAC9 firmware against the fixed versions listed by Dell EMC.
- Confirm iDRAC web interfaces are not reachable from untrusted networks.
- Review access logs for unexpected management sessions or configuration changes.
- Verify firewall and segmentation rules limit access to approved administration paths.
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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-3706 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
- High
- CVSS
- 8.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H3.94.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.6HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/article/us/en/04/sln316930/dsa-2019-028-dell-emc-idrac-multiple-vulnerabilities?lang=enCVE 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.