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CVE-2021-3449Published

An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello)…

Exact source revision recorded 24 Oct 2026 18:17:33 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

nvd · CVE-2021-3449

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Modified

Weakness classifications: CWE-476

Original publisher date fields

published: 2021-03-25T15:15:13.450

lastModified: 2026-10-08T22:17:11.243

197 source CPE criteria · context only
  • cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
  • cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:santricity_smi-s_provider:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:log_correlation_engine:*:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:nessus_network_monitor:5.11.0:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:nessus_network_monitor:5.11.1:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:nessus_network_monitor:5.12.0:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:nessus_network_monitor:5.12.1:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:nessus_network_monitor:5.13.0:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • cpe:2.3:a:mcafee:web_gateway:8.2.19:*:*:*:*:*:*:*
  • cpe:2.3:a:mcafee:web_gateway:9.2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:mcafee:web_gateway:10.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:mcafee:web_gateway_cloud_service:8.2.19:*:*:*:*:*:*:*
  • cpe:2.3:a:mcafee:web_gateway_cloud_service:9.2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:mcafee:web_gateway_cloud_service:10.1.1:*:*:*:*:*:*:*
  • cpe:2.3:o:checkpoint:quantum_security_management_firmware:r80.40:*:*:*:*:*:*:*
  • cpe:2.3:o:checkpoint:quantum_security_management_firmware:r81:*:*:*:*:*:*:*
  • cpe:2.3:h:checkpoint:quantum_security_management:-:*:*:*:*:*:*:*
  • cpe:2.3:o:checkpoint:multi-domain_management_firmware:r80.40:*:*:*:*:*:*:*
  • cpe:2.3:o:checkpoint:multi-domain_management_firmware:r81:*:*:*:*:*:*:*
  • cpe:2.3:h:checkpoint:multi-domain_management:-:*:*:*:*:*:*:*
  • cpe:2.3:o:checkpoint:quantum_security_gateway_firmware:r80.40:*:*:*:*:*:*:*
  • cpe:2.3:o:checkpoint:quantum_security_gateway_firmware:r81:*:*:*:*:*:*:*
  • cpe:2.3:h:checkpoint:quantum_security_gateway:-:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:communications_communications_policy_management:12.6.0.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:enterprise_manager_for_storage_management:13.4.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:graalvm:19.3.5:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:oracle:graalvm:20.3.1.2:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:oracle:graalvm:21.0.0.2:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jd_edwards_world_security:a9.4:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:primavera_unifier:*:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:primavera_unifier:19.12:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:primavera_unifier:20.12:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:primavera_unifier:21.12:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:secure_backup:*:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:secure_global_desktop:5.6:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
  • cpe:2.3:o:sonicwall:sma100_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:sonicwall:sma100:-:*:*:*:*:*:*:*
  • cpe:2.3:a:sonicwall:capture_client:3.5:*:*:*:*:*:*:*
  • cpe:2.3:o:sonicwall:sonicos:7.0.1.0:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:ruggedcom_rcm1224_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:ruggedcom_rcm1224:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_lpe9403_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_lpe9403:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_m-800_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_m-800:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_s602_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_s602:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_s612_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_s612:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_s615:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_s623_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_s623:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_s627-2m_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_s627-2m:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_sc-600_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_sc-600:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_w700_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_w700:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_w1700_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_w1700:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xb-200_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xb-200:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xc-200_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xc-200:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xf-200ba_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xf-200ba:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xm-400_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xm-400:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xp-200_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xp-200:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xr-300wg_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xr-300wg:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xr524-8c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xr526-8c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xr528-6m_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xr528-6m:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:scalance_xr552-12_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:scalance_xr552-12:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_cloud_connect_7_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_cloud_connect_7_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_cloud_connect_7:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_cp_1242-7_gprs_v2_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_cp_1242-7_gprs_v2_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_cp_1242-7_gprs_v2:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_hmi_basic_panels_2nd_generation_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_hmi_basic_panels_2nd_generation:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_hmi_comfort_outdoor_panels:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_hmi_ktp_mobile_panels:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_mv500_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_mv500:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp_1243-1_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp_1243-1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp1243-7_lte_eu_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp1243-7_lte_eu:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp1243-7_lte_us_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp1243-7_lte_us:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp_1243-8_irc_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp_1243-8_irc:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp_1542sp-1_irc_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp_1542sp-1_irc:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp_1543-1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp_1543sp-1_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp_1543sp-1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_net_cp_1545-1_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_net_cp_1545-1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_pcs_7_telecontrol_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_pcs_7_telecontrol:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_pcs_neo_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_pcs_neo:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_pdm_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_pdm:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_process_historian_opc_ua_server_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_process_historian_opc_ua_server:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_rf166c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_rf166c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_rf185c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_rf185c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_rf186c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_rf186c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_rf186ci_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_rf186ci:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_rf188c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_rf188c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_rf188ci_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_rf188ci:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_rf360r_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_rf360r:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1211c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1211c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1212c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1212c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1212fc_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1212fc:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1214_fc_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1214_fc:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1214c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1214c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1215_fc_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1215_fc:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1215c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1215c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1200_cpu_1217c_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1200_cpu_1217c:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518-4_pn\/dp_mfp_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:simatic_s7-1500_cpu_1518-4_pn\/dp_mfp:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:sinamics_connect_300_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:sinamics_connect_300:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:tim_1531_irc_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:tim_1531_irc:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_logon:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_logon:1.5:sp3_update_1:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_wincc_telecontrol:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinec_nms:1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinec_nms:1.0:sp1:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinec_pni:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinema_server:14.0:-:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinema_server:14.0:sp1:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinema_server:14.0:sp2:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinema_server:14.0:sp2_update1:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinema_server:14.0:sp2_update2:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinumerik_opc_ua_server:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:tia_administrator:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

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