High severity · published Oct 31, 2025
CVE-2025-30188
Malicious or unintentional API requests can be used to add significant amount of data to caches
7.5
CVSS
0.4%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OA
OX App Suite · Open-Xchange GmbH
through 2.1.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-30188
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-30188
documentation.open-xchange.com
https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2025/oxas-adv-2025-0002.json
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