How severe is CVE-2022-26839?

CVE-2022-26839 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26839?

CVE-2022-26839 affects Deltaww Diaenergie. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26839?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-26839 published?

CVE-2022-26839 was published on 2022-03-29 and last updated on 2026-06-17.

CVE-2022-26839

CVE-2022-26839 is a high-severity vulnerability in Deltaww Diaenergie with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Deltaww Diaenergie
Published: 2022-03-29
Last modified: 2026-06-17

Description

Delta Electronics DIAEnergie (All versions prior to 1.8.02.004) is vulnerable to an incorrect default permission in the DIAEnergie application, which may allow an attacker to plant new files (such as DLLs) or replace existing executable files.

Frequently asked questions

What is CVE-2022-26839?: Delta Electronics DIAEnergie (All versions prior to 1.8.02.004) is vulnerable to an incorrect default permission in the DIAEnergie application, which may allow an attacker to plant new files (such as DLLs) or replace existing executable files.
How severe is CVE-2022-26839?: CVE-2022-26839 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-26839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26839?: CVE-2022-26839 affects Deltaww Diaenergie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26839?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-26839 published?: CVE-2022-26839 was published on 2022-03-29 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-081-01

Affected products (1)

cpe:2.3:a:deltaww:diaenergie:*:*:*:*:*:*:*:*

More vulnerabilities in Deltaww Diaenergie

CVE-2024-43699 — Critical (CVSS 9.8): Delta Electronics DIAEnergie is vulnerable to an SQL injection in the script AM_RegReport.aspx. An unauthenticated…
CVE-2024-4548 — Critical (CVSS 9.8): An SQLi vulnerability exists in Delta Electronics DIAEnergie v1.10.1.8610 and prior when CEBC.exe processes a…
CVE-2024-4547 — Critical (CVSS 9.8): A SQLi vulnerability exists in Delta Electronics DIAEnergie v1.10.1.8610 and prior when CEBC.exe processes a…
CVE-2022-43775 — Critical (CVSS 9.8): The HICT_Loop class in Delta Electronics DIAEnergy v1.9 contains a SQL Injection flaw that could allow an attacker to…
CVE-2022-43774 — Critical (CVSS 9.8): The HandlerPageP_KID class in Delta Electronics DIAEnergy v1.9 contains a SQL Injection flaw that could allow an…
CVE-2022-3214 — Critical (CVSS 9.8): Delta Industrial Automation's DIAEnergy, an industrial energy management system, is vulnerable to CWE-798, Use of…

All CVEs affecting Deltaww Diaenergie →

Other CWE-276 (Incorrect Default Permissions) vulnerabilities

CVE-2022-42150 — Critical (CVSS 10.0): TinyLab linux-lab v1.1-rc1 and cloud-labv0.8-rc2, v1.1-rc1 are vulnerable to insecure permissions. The default…
CVE-2020-29492 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2020-29491 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2025-40585 — Critical (CVSS 9.9): A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR…
CVE-2019-19896 — Critical (CVSS 9.9): In IXP EasyInstall 6.2.13723, there is Remote Code Execution via weak permissions on the Engine Service share. The…
CVE-2020-37129 — Critical (CVSS 9.8): Memu Play 7.1.3 contains an insecure folder permissions vulnerability that allows low-privileged users to modify the…

Browse all CWE-276 (Incorrect Default Permissions) vulnerabilities →