How severe is CVE-2025-8453?

CVE-2025-8453 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-8453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-8453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8453 have an EU (EUVD) identifier?

Yes. CVE-2025-8453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25276.

When was CVE-2025-8453 published?

CVE-2025-8453 was published on 2025-08-20 and last updated on 2026-06-17.

CVE-2025-8453

CVE-2025-8453 is a medium-severity vulnerability with a CVSS 3.x base score of 6.7. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v4: 8.4
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25276
Weakness: CWE-269
Published: 2025-08-20
Last modified: 2026-06-17

Description

CWE-269: Improper Privilege Management vulnerability exists that could cause privilege escalation and arbitrary code execution when a privileged engineer user with console access modifies a configuration file used by a root-level daemon to execute custom scripts.

Frequently asked questions

What is CVE-2025-8453?: CWE-269: Improper Privilege Management vulnerability exists that could cause privilege escalation and arbitrary code execution when a privileged engineer user with console access modifies a configuration file used by a root-level daemon to execute custom scripts.
How severe is CVE-2025-8453?: CVE-2025-8453 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-8453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-8453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8453 have an EU (EUVD) identifier?: Yes. CVE-2025-8453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25276.
When was CVE-2025-8453 published?: CVE-2025-8453 was published on 2025-08-20 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-224-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-224-01.pdf

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