Security readout for executives and security teams
Plain-English summary
Delta Electronics DIAEnergie 1.7.5 and earlier has cross-site scripting flaws in an energy-type handler. An unauthenticated network attacker could inject script content through the name parameter, creating integrity risk in the application. The provided sources do not show CISA KEV listing or active exploitation.
Executive priority
Treat as high priority for environments running Delta DIAEnergie, especially in energy or operational technology networks. The main business risk is unauthorized modification of application behavior or displayed content, not confirmed data theft or outage from the provided CVSS vector.
Technical view
CVE-2021-44544 is CWE-79 in DIAEnergie HandlerEnergyType.ashx, where the name parameter can receive arbitrary script content. CVSS 3.1 is 7.5 high: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. The source bundle identifies DIAEnergie version 1.7.5 and prior as vulnerable.
Likely exposure
Exposure is most likely where DIAEnergie web functionality is reachable from enterprise, operations, or remote-access networks. Internet-exposed deployments would carry higher concern. Confirm exact installed versions because the bundle names 1.7.5 and prior, while the affected metadata is broader.
Exploitation context
The bundle does not identify active exploitation, and kev is false. The CVSS vector indicates unauthenticated network attack potential without user interaction, but the sources do not provide exploit details or exploitation prevalence.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, CWE-79 classification, affected version statement, and CISA advisory reference. Do not assume patch availability, exploit maturity, or affected configurations beyond DIAEnergie 1.7.5 and prior without vendor advisory confirmation.
Mitigation direction
- Check Delta Electronics and CISA guidance for a fixed DIAEnergie release or official workaround.
- Restrict DIAEnergie access to trusted administrative and operations networks only.
- Remove any direct internet exposure for DIAEnergie interfaces.
- Apply web input validation and output encoding where locally maintainable.
- Monitor DIAEnergie logs for unexpected name parameter values or script-like content.
Validation and detection
- Inventory DIAEnergie deployments and record installed versions.
- Confirm whether any instance is version 1.7.5 or earlier.
- Review network paths to DIAEnergie web handlers from untrusted segments.
- Check whether HandlerEnergyType.ashx is reachable without authentication.
- Review vendor or CISA advisory status before closing remediation.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2021-44544 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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:N/S:U/C:N/I:H/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-238-03CVE 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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.