How severe is CVE-2025-30188?

CVE-2025-30188 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-30188 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-30188?

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.

Does CVE-2025-30188 have an EU (EUVD) identifier?

Yes. CVE-2025-30188 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37315.

When was CVE-2025-30188 published?

CVE-2025-30188 was published on 2025-10-31 and last updated on 2026-06-17.

CVE-2025-30188

CVE-2025-30188 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37315
Weakness: CWE-400
Published: 2025-10-31
Last modified: 2026-06-17

Description

Malicious or unintentional API requests can be used to add significant amount of data to caches. Caches may evict information that is required to operate the web frontend, which leads to unavailability of the component. Please deploy the provided updates and patch releases. No publicly available exploits are known

Frequently asked questions

What is CVE-2025-30188?: Malicious or unintentional API requests can be used to add significant amount of data to caches. Caches may evict information that is required to operate the web frontend, which leads to unavailability of the component. Please deploy the provided updates and patch releases. No publicly available exploits are known
How severe is CVE-2025-30188?: CVE-2025-30188 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-30188 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-30188?: 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.
Does CVE-2025-30188 have an EU (EUVD) identifier?: Yes. CVE-2025-30188 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37315.
When was CVE-2025-30188 published?: CVE-2025-30188 was published on 2025-10-31 and last updated on 2026-06-17.

References

https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2025/oxas-adv-2025-0002.json

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