CVE-2021-36326Network attack vector

Plaintext UI traffic via SSL stripping

Published Nov 30, 2021 · Updated Sep 17, 2024

SSL stripping in Dell Streaming Data Platform before 1.3 allows remote attackers to downgrade client-server UI traffic to plaintext. Dell has not published which UI transport-security control permits the downgrade or how untrusted traffic triggers it. Exploitation requires no account but does require user interaction, and the documented impact is disclosure of UI communications.

CVSS severity6.5
Medium
EPSS probability1.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

SSL stripping in Dell Streaming Data Platform before 1.3 allows remote attackers to downgrade client-server UI traffic to plaintext. Dell has not published which UI transport-security control permits the downgrade or how untrusted traffic triggers it. Exploitation requires no account but does require user interaction, and the documented impact is disclosure of UI communications.

The record

CVE
CVE-2021-36326
Published
Nov 30, 2021
Updated
Sep 17, 2024
Vendor
Dell
Product
Dell Streaming Data Platform
Classifications
CWE-757, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 30, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <1.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dell · Dell Streaming Data Platformversion=unspecified <1.3

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:P/I:N/A:N
6.5DellCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-757Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo