The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed bug.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 35 products from openssl, from filezilla-project, from siemens and 32 others, organizations running these solutions should prioritize assessment and patching.
Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.
2014-04-07T22:55:03.893
2025-10-22T01:15:53.233
Deferred
CVSSv3.1: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | openssl | openssl | < 1.0.1g | Yes |
| Application | filezilla-project | filezilla_server | < 0.9.44 | Yes |
| Operating System | siemens | application_processing_engine_firmware | 2.0 | Yes |
| Hardware | siemens | application_processing_engine | - | No |
| Operating System | siemens | cp_1543-1_firmware | 1.1 | Yes |
| Hardware | siemens | cp_1543-1 | - | No |
| Operating System | siemens | simatic_s7-1500_firmware | 1.5 | Yes |
| Hardware | siemens | simatic_s7-1500 | - | No |
| Operating System | siemens | simatic_s7-1500t_firmware | 1.5 | Yes |
| Hardware | siemens | simatic_s7-1500t | - | No |
| Application | siemens | elan-8.2 | < 8.3.3 | Yes |
| Application | siemens | wincc_open_architecture | 3.12 | Yes |
| Operating System | intellian | v100_firmware | 1.20 | Yes |
| Operating System | intellian | v100_firmware | 1.21 | Yes |
| Operating System | intellian | v100_firmware | 1.24 | Yes |
| Hardware | intellian | v100 | - | No |
| Operating System | intellian | v60_firmware | 1.15 | Yes |
| Operating System | intellian | v60_firmware | 1.25 | Yes |
| Hardware | intellian | v60 | - | No |
| Application | mitel | micollab | 6.0 | Yes |
| Application | mitel | micollab | 7.0 | Yes |
| Application | mitel | micollab | 7.1 | Yes |
| Application | mitel | micollab | 7.2 | Yes |
| Application | mitel | micollab | 7.3 | Yes |
| Application | mitel | micollab | 7.3.0.104 | Yes |
| Application | mitel | mivoice | 1.1.2.5 | Yes |
| Application | mitel | mivoice | 1.1.3.3 | Yes |
| Application | mitel | mivoice | 1.2.0.11 | Yes |
| Application | mitel | mivoice | 1.3.2.2 | Yes |
| Application | mitel | mivoice | 1.4.0.102 | Yes |
| Operating System | opensuse | opensuse | 12.3 | Yes |
| Operating System | opensuse | opensuse | 13.1 | Yes |
| Operating System | canonical | ubuntu_linux | 12.04 | Yes |
| Operating System | canonical | ubuntu_linux | 12.10 | Yes |
| Operating System | canonical | ubuntu_linux | 13.10 | Yes |
| Operating System | fedoraproject | fedora | 19 | Yes |
| Operating System | fedoraproject | fedora | 20 | Yes |
| Application | redhat | gluster_storage | 2.1 | Yes |
| Application | redhat | storage | 2.1 | Yes |
| Application | redhat | virtualization | 6.0 | Yes |
| Operating System | redhat | enterprise_linux_desktop | 6.0 | Yes |
| Operating System | redhat | enterprise_linux_server | 6.0 | Yes |
| Operating System | redhat | enterprise_linux_server_aus | 6.5 | Yes |
| Operating System | redhat | enterprise_linux_server_eus | 6.5 | Yes |
| Operating System | redhat | enterprise_linux_server_tus | 6.5 | Yes |
| Operating System | redhat | enterprise_linux_workstation | 6.0 | Yes |
| Operating System | debian | debian_linux | 6.0 | Yes |
| Operating System | debian | debian_linux | 7.0 | Yes |
| Operating System | debian | debian_linux | 8.0 | Yes |
| Operating System | ricon | s9922l_firmware | 16.10.3\(3794\) | Yes |
| Hardware | ricon | s9922l | 1.0 | No |
| Application | broadcom | symantec_messaging_gateway | 10.6.0 | Yes |
| Application | broadcom | symantec_messaging_gateway | 10.6.1 | Yes |
| Application | splunk | splunk | < 6.0.3 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openssl's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.