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No exploitation reported

CVE-2021-38390

No exploitation reported by the sources we read.

  • Published2021-08-30
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A Blind SQL injection vulnerability exists in the /DataHandler/HandlerEnergyType.ashx endpoint of Delta Electronics DIAEnergie Version 1.7.5 and prior. The application does not properly validate the user-controlled value supplied through the parameter egyid before using it as part of an SQL query. A remote, unauthenticated attacker can exploit this issue to execute arbitrary code in the context of NT SERVICE\MSSQLSERVER.

Timeline

dates in UTC
  1. 2021-08-3018:15CVE publishedNVD
  2. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-38390?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-38390?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Deltaww diaenergie
BranchAffectedFixed in
1.7≤ 1.7.5no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-21-238-03 CISA1 known affected

    Delta Electronics DIAEnergie (Update C)

    DIAEnergie: All versions prior to 1.9

Full record on NVD

Fix

  1. Mitigation from the vendor CISA ICSA-21-238-03 · 1 productDelta Electronics has fixed the reported vulnerabilities and recommends users upgrade to version 1.9 or later.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.010read 2026-10-23
  • CNAweakness (CWE)CWE-89read 2026-10-23
  • FIRST EPSSEPSS score19.8 %read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-08-30
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-38390?

A Blind SQL injection vulnerability exists in the /DataHandler/HandlerEnergyType.ashx endpoint of Delta Electronics DIAEnergie Version 1.7.5 and prior. The application does not properly validate the user-controlled value supplied through the parameter egyid before using it as part of an SQL query. A remote, unauthenticated attacker can exploit this issue to execute arbitrary code in the context of NT SERVICE\MSSQLSERVER.

Is CVE-2021-38390 actively exploited?

Active exploitation of CVE-2021-38390 has not been confirmed. Its EPSS score was 19.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-38390?

CVE-2021-38390 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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