How severe is CVE-2021-32967?

CVE-2021-32967 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32967 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32967?

CVE-2021-32967 affects Deltaww Diaenergie. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32967?

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

When was CVE-2021-32967 published?

CVE-2021-32967 was published on 2021-08-30 and last updated on 2026-06-17.

CVE-2021-32967

CVE-2021-32967 is a critical-severity vulnerability in Deltaww Diaenergie with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Deltaww Diaenergie
Published: 2021-08-30
Last modified: 2026-06-17

Description

Delta Electronics DIAEnergie Version 1.7.5 and prior may allow an attacker to add a new administrative user without being authenticated or authorized, which may allow the attacker to log in and use the device with administrative privileges.

Frequently asked questions

What is CVE-2021-32967?: Delta Electronics DIAEnergie Version 1.7.5 and prior may allow an attacker to add a new administrative user without being authenticated or authorized, which may allow the attacker to log in and use the device with administrative privileges.
How severe is CVE-2021-32967?: CVE-2021-32967 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32967 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32967?: CVE-2021-32967 affects Deltaww Diaenergie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-32967 published?: CVE-2021-32967 was published on 2021-08-30 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-238-03

Affected products (1)

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

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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