{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-67499", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-12-08T20:58:24.641Z", "datePublished": "2025-12-09T23:13:22.398Z", "dateUpdated": "2025-12-10T16:50:10.430Z"}, "containers": {"cna": {"title": "CNI Plugins Portmap nftables backend intercepts non-local traffic", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/containernetworking/plugins/security/advisories/GHSA-jv3w-x3r3-g6rm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/containernetworking/plugins/security/advisories/GHSA-jv3w-x3r3-g6rm"}, {"name": "https://github.com/containernetworking/plugins/pull/1210", "tags": ["x_refsource_MISC"], "url": "https://github.com/containernetworking/plugins/pull/1210"}, {"name": "https://github.com/containernetworking/plugins/releases/tag/v1.9.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/containernetworking/plugins/releases/tag/v1.9.0"}], "affected": [{"vendor": "containernetworking", "product": "plugins", "versions": [{"version": ">= 1.6.0, < 1.9.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-12-09T23:13:22.398Z"}, "descriptions": [{"lang": "en", "value": "The CNI portmap plugin allows containers to emulate opening a host port, forwarding that traffic to the container. Versions 1.6.0 through 1.8.0 inadvertently forward all traffic with the same destination port as the host port when the portmap plugin is configured with the nftables backend, thus ignoring the destination IP. This includes traffic not intended for the node itself, i.e. traffic to containers hosted on the node. Containers that request HostPort forwarding can intercept all traffic destined for that port. This requires that the portmap plugin be explicitly configured to use the nftables backend. This issue is fixed in version 1.9.0. To workaround, configure the portmap plugin to use the iptables backend. It does not have this vulnerability."}], "source": {"advisory": "GHSA-jv3w-x3r3-g6rm", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-12-10T16:13:14.649378Z", "id": "CVE-2025-67499", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2025-12-10T16:50:10.430Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The CNI portmap plugin allows containers to emulate opening a host port, forwarding that traffic to the container. Versions 1.6.0 through 1.8.0 inadvertently forward all traffic with the same destination port as the host port when the portmap plugin is configured with the nftables backend, thus ignoring the destination IP. This includes traffic not intended for the node itself, i.e. traffic to containers hosted on the node. Containers that request HostPort forwarding can intercept all traffic destined for that port. This requires that the portmap plugin be explicitly configured to use the nftables backend. This issue is fixed in version 1.9.0. To workaround, configure the portmap plugin to use the iptables backend. It does not have this vulnerability."}], "id": "CVE-2025-67499", "lastModified": "2025-12-12T15:19:07.567", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-12-10T00:16:11.107", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/containernetworking/plugins/pull/1210"}, {"source": "security-advisories@github.com", "url": "https://github.com/containernetworking/plugins/releases/tag/v1.9.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/containernetworking/plugins/security/advisories/GHSA-jv3w-x3r3-g6rm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "CNI portmap plugin: github.com/containernetworking/plugins/plugins/meta/portmap: CNI portmap plugin: HostPort forwarding vulnerability allows traffic interception", "id": "2420872", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420872"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-200", "details": ["The CNI portmap plugin allows containers to emulate opening a host port, forwarding that traffic to the container. Versions 1.6.0 through 1.8.0 inadvertently forward all traffic with the same destination port as the host port when the portmap plugin is configured with the nftables backend, thus ignoring the destination IP. This includes traffic not intended for the node itself, i.e. traffic to containers hosted on the node. Containers that request HostPort forwarding can intercept all traffic destined for that port. This requires that the portmap plugin be explicitly configured to use the nftables backend. This issue is fixed in version 1.9.0. To workaround, configure the portmap plugin to use the iptables backend. It does not have this vulnerability.", "A flaw was found in the CNI (Container Network Interface) portmap plugin. This vulnerability allows containers to intercept all traffic destined for a host port via inadvertent forwarding of traffic with the same destination port when the plugin is configured with the nftables backend, ignoring the destination IP."], "mitigation": {"lang": "en:us", "value": "Configure the CNI portmap plugin to use the `iptables` backend instead of `nftables`. This can typically be achieved by modifying the CNI network configuration. After making this configuration change, services utilizing the CNI portmap plugin may require a restart or reload for the changes to take effect."}, "name": "CVE-2025-67499", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "container-tools:rhel8/containernetworking-plugins", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "containernetworking-plugins", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "containernetworking-plugins", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/container-networking-plugins-microshift-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/microshift-bootc-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-container-networking-plugins-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-container-networking-plugins-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Fix deferred", "package_name": "container-native-virtualization/cnv-containernetworking-plugins", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Fix deferred", "package_name": "container-native-virtualization/cnv-containernetworking-plugins-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}], "public_date": "2025-12-09T23:13:22Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-67499\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-67499\nhttps://github.com/containernetworking/plugins/pull/1210\nhttps://github.com/containernetworking/plugins/releases/tag/v1.9.0\nhttps://github.com/containernetworking/plugins/security/advisories/GHSA-jv3w-x3r3-g6rm"], "statement": "This vulnerability is rated Moderate for Red Hat because it allows containers to intercept non-local traffic when the CNI portmap plugin is explicitly configured to use the `nftables` backend. This issue affects CNI portmap plugin versions 1.6.0 through 1.8.0. Red Hat products are only affected if the `nftables` backend is specifically enabled for the CNI portmap plugin.", "threat_severity": "Moderate"}

{}