{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-53856", "assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab", "state": "PUBLISHED", "assignerShortName": "f5", "dateReserved": "2025-10-03T23:04:37.988Z", "datePublished": "2025-10-15T13:55:49.991Z", "dateUpdated": "2025-10-15T17:28:28.656Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "modules": ["All Modules"], "product": "BIG-IP", "vendor": "F5", "versions": [{"lessThan": "17.5.1.3", "status": "affected", "version": "17.5.0", "versionType": "custom"}, {"lessThan": "17.1.3", "status": "affected", "version": "17.1.0", "versionType": "custom"}, {"lessThan": "16.1.6.1", "status": "affected", "version": "16.1.0", "versionType": "custom"}, {"lessThan": "15.1.10.8", "status": "affected", "version": "15.1.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "F5"}], "datePublic": "2025-10-15T14:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.&nbsp; To determine which BIG-IP platforms have an ePVA chip refer to <a target=\"_blank\" rel=\"nofollow\" href=\"https://my.f5.com/manage/s/article/K12837\">K12837: Overview of the ePVA feature</a>.</span>&nbsp; Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."}], "value": "When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.\u00a0 To determine which BIG-IP platforms have an ePVA chip refer to K12837: Overview of the ePVA feature https://my.f5.com/manage/s/article/K12837 .\u00a0 Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-705", "description": "CWE-705 Incorrect Control Flow Scoping", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab", "shortName": "f5", "dateUpdated": "2025-10-15T13:55:49.991Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://my.f5.com/manage/s/article/K000156707"}], "source": {"discovery": "INTERNAL"}, "title": "TMM vulnerability", "x_generator": {"engine": "F5 SIRTBot v1.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-15T15:35:35.374701Z", "id": "CVE-2025-53856", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-15T17:28:28.656Z"}}]}}

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