CVE-2020-25648

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{}

{"affected": [{"affectedData": [{"product": "nss", "vendor": "n/a", "versions": [{"status": "affected", "version": "nss versions before 3.58"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1A2E34F-6DDF-44CF-AF2B-83327DB6F8EC", "versionEndExcluding": "3.58", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "49ACFC73-A509-4D1C-8FC3-F68F495AB055", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "D7B49D71-6A31-497A-B6A9-06E84F086E7A", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*", "matchCriteriaId": "86305E47-33E9-411C-B932-08C395C09982", "versionEndExcluding": "9.2.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en la manera en que NSS manejaba los mensajes CCS (ChangeCipherSpec) en TLS versi\u00f3n 1.3. Este fallo permite a un atacante remoto enviar m\u00faltiples mensajes CCS, causando una denegaci\u00f3n de servicio para los servidores compilados con la biblioteca NSS. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema. Este fallo afecta a NSS versiones anteriores a 3.58"}], "id": "CVE-2020-25648", "lastModified": "2026-06-17T03:07:02.773", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-20T22:15:43.217", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1887319"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.58_release_notes"}, {"source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00039.html"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERA5SVJQXQMDGES7RIT4F4NQVLD35RXN/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRM53IQCPZT2US3M7JXTP6I6IBA5RGOD/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPOLN6DJUYQ3QBQEGLZGV73SNIPK7GHV/"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"source": "secalert@redhat.com", "tags": ["Not 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"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERA5SVJQXQMDGES7RIT4F4NQVLD35RXN/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRM53IQCPZT2US3M7JXTP6I6IBA5RGOD/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPOLN6DJUYQ3QBQEGLZGV73SNIPK7GHV/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2021:1384", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "nss-0:3.53.1-7.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-04-27T00:00:00Z"}, {"advisory": "RHSA-2021:3572", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nspr-0:4.32.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-09-21T00:00:00Z"}, {"advisory": "RHSA-2021:3572", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nss-0:3.67.0-6.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-09-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-controller-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-log-reader-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-must-gather-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-operator-bundle:v1.4.6-5", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-registry-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-rsync-transfer-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-ui-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-plugin-for-aws-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-plugin-for-gcp-rhel8:v1.4.6-3", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-plugin-for-microsoft-azure-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-restic-restore-helper-rhel8:v1.4.6-5", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-rhel8:v1.4.6-5", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-velero-plugin-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}], "bugzilla": {"description": "nss: TLS 1.3 CCS flood remote DoS Attack", "id": "1887319", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1887319"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-770", "details": ["A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.", "A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-25648", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2020-10-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-25648\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-25648\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.58_release_notes"], "statement": "This flaw only affects servers that are compiled with the NSS library and when the TLS 1.3 protocol is used.", "threat_severity": "Moderate"}

{}