CVE-2020-1967
Scores
EPSS
Percentile: 67.3%
CVSS
CVSS Score: 7.5/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3 handshake may crash due to a NULL pointer dereference as a result of incorrect handling of the “signature_algorithms_cert” TLS extension. The crash occurs if an invalid or unrecognised signature algorithm is received from the peer. This could be exploited by a malicious peer in a Denial of Service attack. OpenSSL version 1.1.1d, 1.1.1e, and 1.1.1f are affected by this issue. This issue did not affect OpenSSL versions prior to 1.1.1d. Fixed in OpenSSL 1.1.1g (Affected 1.1.1d-1.1.1f).
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (41)
Type: Configuration
Product: edk2
Operating System: ubuntu bionic 18.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: edk2
Operating System: ubuntu eoan 19.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: edk2
Operating System: ubuntu focal 20.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: edk2
Operating System: ubuntu trusty 14.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: edk2
Operating System: ubuntu xenial 16.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: openssl
Operating System: ubuntu bionic 18.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: openssl
Operating System: ubuntu eoan 19.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: openssl
Operating System: ubuntu focal 20.04
{ "fixed": "1.1.1f-1ubuntu2"}
Source: ubuntu
Type: Configuration
Product: openssl
Operating System: ubuntu trusty 14.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: openssl
Operating System: ubuntu xenial 16.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: openssl
Operating System: debian
{ "fixed": "1.1.1g-1"}
Source: debian
Type: Configuration
Product: openssl
Operating System: debian stretch 9
{ "unaffected": true}
Source: debian
Type: Configuration
Product: openssl
Operating System: debian jessie 8
{ "unaffected": true}
Source: debian
Type: Configuration
Product: openssl1.0
Operating System: ubuntu bionic 18.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: openssl1.0
Operating System: debian
{ "unaffected": true}
Source: debian
Type: Configuration
Vendor: *
Product: active_iq_unified_manager
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*", "versionStartIncluding": "7.3", "vulnerable": true }, { "cpe23u...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*", "versionStartIncluding": "7.3", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*", "versionStartIncluding": "9.5", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: application_server
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:oracle:application_server:12.1.3:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_base...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:oracle:application_server:12.1.3:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_for_storage_management:13.3.0.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_for_storage_management:13.4.0.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:jd_edwards_world_security:a9.4:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.6.48", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.7.30", "versionStartIncluding": "5.7.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.20", "versionStartIncluding": "8.0.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.20", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.0.12", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.20", "versionStartIncluding": "8.0.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.21", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: debian_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: e-series_performance_analyzer
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*", "versionStartIncluding": "7.3", "vulnerable": true }, { "cpe23u...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*", "versionStartIncluding": "7.3", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*", "versionStartIncluding": "9.5", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: enterprise_manager_base_platform
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:oracle:application_server:12.1.3:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_base...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:oracle:application_server:12.1.3:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_for_storage_management:13.3.0.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_for_storage_management:13.4.0.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:jd_edwards_world_security:a9.4:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.6.48", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.7.30", "versionStartIncluding": "5.7.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.20", "versionStartIncluding": "8.0.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.20", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.0.12", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.20", "versionStartIncluding": "8.0.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*", "versionEndIncluding": "8.0.21", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd