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CVE Record

CVE-2021-33003: Delta Electronics DIAEnergie Version 1.7.5 and prior may allow an attacker to retrieve passwords in clearte...

Delta Electronics DIAEnergie Version 1.7.5 and prior may allow an attacker to retrieve passwords in cleartext due to a weak hashing algorithm.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

Delta Electronics DIAEnergie 1.7.5 and earlier may expose passwords in cleartext because of weak password hashing. This can turn one application weakness into wider account compromise if affected credentials are reused. The public bundle does not provide a CVSS score, patch details, or confirmed exploitation.

Executive priority

Prioritize investigation if DIAEnergie is used in operational environments. The issue concerns password exposure, but severity and exploitation evidence are incomplete in the provided sources. Business urgency depends on whether affected versions exist and whether credentials could unlock broader systems.

Technical view

CVE-2021-33003 affects Delta Electronics DIAEnergie version 1.7.5 and prior. The issue is classified as CWE-916, use of password hash with insufficient computational effort, and may allow password retrieval in cleartext. Available evidence is limited to the CVE description and CISA ICS advisory reference.

Likely exposure

Organizations running Delta Electronics DIAEnergie 1.7.5 or earlier are the exposed population. Exposure is higher where the application is reachable by untrusted users or where recovered credentials are reused across OT, IT, or administrative systems.

Exploitation context

The source bundle says CISA KEV is false, and it provides no cited evidence of active exploitation. It also does not include exploit maturity, attack prerequisites, or public exploit confirmation. Treat exploitation status as unconfirmed, not absent.

Researcher notes

The record identifies a weak hashing issue leading to possible cleartext password retrieval, but the bundle lacks CVSS metrics, attack vector, authentication requirements, and patch specifics. Do not infer additional affected Delta products or active exploitation from this data alone.

Mitigation direction

  • Inventory Delta Electronics DIAEnergie installations and identify versions 1.7.5 or earlier.
  • Review the CISA ICS advisory and Delta guidance for vendor-approved remediation.
  • Prioritize remediation before rotating credentials tied to affected installations.
  • Avoid assuming a generic fix where vendor guidance is not available.

Validation and detection

  • Confirm whether DIAEnergie is present in asset inventory or OT application inventories.
  • Verify the installed DIAEnergie version against the 1.7.5-and-prior affected range.
  • Review user accounts and credential reuse connected to affected deployments.
  • Check CISA and vendor advisories for updated remediation instructions.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-916: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookup
cve · low confidence lookup

CVE-2021-33003 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aDelta Electronics DIAEnergieDIAEnergie Version 1.7.5 and priorListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-916 · source CWE mapping

Use of Password Hash With Insufficient Computational Effort

Use of Password Hash With Insufficient Computational Effort represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.