Security readout for executives and security teams
Plain-English summary
Dell EMC Streaming Data Platform before version 1.3 had a UI weakness that could let an unauthenticated remote attacker downgrade browser-to-server communications from encrypted to unencrypted if a user is involved. The main business risk is exposure of sensitive data in transit, not system takeover.
Executive priority
Treat this as a confidentiality-focused remediation item. Prioritize internet-exposed or broadly reachable administrative UIs first, then complete upgrades during the next controlled maintenance window.
Technical view
CVE-2021-36326 is an SSL strip vulnerability in the Dell EMC Streaming Data Platform UI. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating network reachability, low attack complexity, no privileges, required user interaction, and high confidentiality impact.
Likely exposure
Exposure is limited to Dell EMC Streaming Data Platform deployments running versions prior to 1.3. Risk increases where the UI is reachable from untrusted networks or where users access it over networks an attacker could influence.
Exploitation context
The provided sources do not show known active exploitation, and the CVE is not marked KEV. Exploitation requires user interaction and would target confidentiality by downgrading communications, not integrity or availability.
Researcher notes
Evidence identifies the affected product and version boundary but provides limited technical detail. Do not assume exploit availability or broader product impact without additional vendor evidence. Validation should focus on version, UI reachability, and secure transport behavior.
Mitigation direction
- Upgrade affected Dell EMC Streaming Data Platform deployments to version 1.3 or later per Dell guidance.
- Review Dell advisory DSA-2021-205 for vendor-approved remediation details.
- Restrict UI access to trusted networks until remediation is complete.
- Verify TLS and HTTPS enforcement using approved administrative checks.
Validation and detection
- Inventory Dell EMC Streaming Data Platform instances and record exact versions.
- Confirm whether any deployment is earlier than version 1.3.
- Identify whether the UI is exposed beyond trusted administrative networks.
- After remediation, verify the UI no longer permits downgraded communications.
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
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CWE-757: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-36326 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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:R/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/en-in/000193697/dsa-2021-205-dell-emc-streaming-data-platform-security-update-for-third-party-vulnerabilitiesCVE 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.
Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.