Weakness (CWE)
CWE-295: Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
How to prevent it (2 mitigations)
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Architecture and Design, Implementation
Certificates should be carefully managed and checked to assure that data are encrypted with the intended owner's public key.
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Implementation
If certificate pinning is being used, ensure that all relevant properties of the certificate are fully validated before the certificate is pinned, including the hostname.
Source: MITRE CWE-295
1,199 results · Feed
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Medium 4.2
Improper Certificate Validation May Allow Successful TLS Handshaking Despite Invalid Extended Key Usage Fields in MongoDB Server
Clients may successfully perform a TLS handshake with a MongoDB server despite presenting a client certificate not aligning with the documented Extended Key Usage (EKU) requirements. A certificate that specifies extendedKeyUsage but is missing extendedKeyUsag…
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High 8.3
A firmware downgrade vulnerability exists in the OTA Update functionality of GL-Inet GL-AXT1800 4.7.0. A specially craf…
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Medium 4.8
Improper certificate validation vulnerability exists in 'デジラアプリ' App for iOS prior to ver.80.10.00. If this vulnerabili…
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Low 3.2
GoSign Desktop through 2.4.1 disables TLS certificate validation when configured to use a proxy server. This can be pro…
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Medium 4.8
Zoom Workplace Clients - Improper Certificate Validation
Improper certificate validation in certain Zoom Clients may allow an unauthenticated user to conduct a disclosure of information via adjacent access.
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High 7.5
pgAdmin 4: LDAP authentication flow vulnerable to TLS certificate verification bypass.
pgAdmin <= 9.9 is affected by a vulnerability in the LDAP authentication mechanism allows bypassing TLS certificate verification.
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Medium 5.3
A vulnerability was reported in the Lenovo Scanner pro application during an internal security assessment that, under c…
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High 7.5
A potential vulnerability was reported in the Lenovo PC Manager, Lenovo App Store, Lenovo Browser, and Lenovo Legion Zo…
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High 7.5
A vulnerability has been identified in Solid Edge SE2025 (All versions < V225.0 Update 11). Affected applications do no…
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Medium 5.2
Improper certificate validation in firmware update logic in NETGEAR RAX30 and RAXE300
Improper certificate validation in firmware update logic in NETGEAR RAX30 (Nighthawk AX5 5-Stream AX2400 WiFi 6 Router) and RAXE300 (Nighthawk AXE7800 Tri-Band WiFi 6E Router) allows attackers with the ability to intercept and tamper traffic destined to the d…
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High 8.1
In JetBrains YouTrack before 2025.3.104432 missing TLS certificate validation enabled data disclosure
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Medium 4.7
KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer
KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that …
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Critical 9.1
Tonec Internet Download Manager 6.42.41.1 and earlier suffers from Missing SSL Certificate Validation, which allows att…
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High 8.6
NeuVector telemetry sender is vulnerable to MITM and DoS
This vulnerability affects NeuVector deployments only when the Report anonymous cluster data option is enabled. When this option is enabled, NeuVector sends anonymous telemetry data to the telemetry server. In affected versions, NeuVector does not enforce TLS…
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Medium 5.9
GeoIP processor disables SSL certificate validation when downloading databases
### Impact The GeoIP processor in Data Prepper was configured to trust all SSL certificates and disable hostname verification when downloading GeoIP databases from HTTP URLs, making downloads vulnerable to man-in-the-middle attacks. The GeoIP processor includ…
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Medium 4.8
OpenSearch Data Prepper uses deprecated SSL protocol identifier
### Impact The GeoIP processor and Kafka source and buffer were using the deprecated "SSL" protocol identifier when creating SSL contexts, potentially allowing the use of insecure SSL protocols instead of modern TLS versions. Multiple Data Prepper plugins use…
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High 8.8
Improper certificate validation when connecting to gateways in Devolutions Server 2025.3.2 and earlier allows attackers…
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Medium 6.9
go-witness Improper Verification of AWS EC2 Identity Documents
go-witness and witness are Go modules for generating attestations. In go-witness versions 0.8.6 and earlier and witness versions 0.9.2 and earlier the AWS attestor improperly verifies AWS EC2 instance identity documents. Verification can incorrectly succeed w…
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High 7.4
OpenSearch Data Prepper plugins trusts all SSL certificates by default
OpenSearch Data Prepper as an open source data collector for observability data. In versions prior to 2.12.2, the OpenSearch sink and source plugins in Data Prepper trust all SSL certificates by default when no certificate path is provided. Prior to this fix,…
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Medium 5.3
A vulnerability was reported in the Lenovo LeCloud client application that, under certain conditions, could allow infor…
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Low 3.1
An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could al…
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High 8.0
Configuration may unexpectedly disable certificate validation
When tlsInsecure=False appears in a connection string, certificate validation is disabled. This vulnerability affects MongoDB Rust Driver versions prior to v3.2.5
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Low 3.7
Tomofun Furbo 360/Furbo Mini HTTP Traffic collect_logs.sh upload_file_to_s3 certificate validation
A vulnerability was identified in Tomofun Furbo 360 and Furbo Mini. Affected by this issue is the function upload_file_to_s3 of the file collect_logs.sh of the component HTTP Traffic Handler. The manipulation leads to improper certificate validation. The atta…
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Critical 9.3
Akka.Remote TLS did not properly implement certificate-based authentication
Akka.NET is a .NET port of the Akka project from the Scala / Java community. In all versions of Akka.Remote from v1.2.0 to v1.5.51, TLS could be enabled via our `akka.remote.dot-netty.tcp` transport and this would correctly enforce private key validation on t…
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Critical 9.5
Vasion Print (formerly PrinterLogic) Weak SSL/TLS Certificate Validation RCE
Vasion Print (formerly PrinterLogic) Virtual Appliance Host prior to version 25.1.102 and Application prior to version 25.1.1413 (Windows client deployments) contain a registry key that can be enabled by administrators, causing the client to skip SSL/TLS cert…
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Medium 6.5
Missing Certificate Validation in CleverControl Installer Allows Remote Code Execution
The CleverControl employee monitoring software (v11.5.1041.6) fails to validate TLS server certificates during the installation process. The installer downloads and executes external components using curl.exe --insecure, enabling a man-in-the-middle attacker …
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Critical 9.3
MicroWorld eScan AV Insecure Update Mechanism Allows Man-in-the-Middle Replacement of Updates
MicroWorld eScan AV's update mechanism failed to ensure authenticity and integrity of updates: update packages were delivered and accepted without robust cryptographic verification. As a result, an on-path attacker could perform a man-in-the-middle (MitM) att…
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Critical 9.3
Vasion Print (formerly PrinterLogic) Insecure SSL Verification Allows Man-in-the-Middle Attacks
Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 22.0.1049 and Application versions prior to 20.0.2786 (VA and SaaS deployments) contain insecure defaults and code patterns that disable TLS/SSL certificate verification for communi…
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High 7.7
Manager generates mTLS certificates for arbitrary IP addresses
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, a peer can obtain a valid TLS certificate for arbitrary IP addresses, effectively rendering the mTLS authentication useless. The issue is that the Manager’s…
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Low 2.7
Dragonfly Manager makes requests to external endpoints with disabled TLS authentication
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, The Manager disables TLS certificate verification in HTTP clients. The clients are not configurable, so users have no way to re-enable the verification. A M…
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Medium 4.2
CISA Thorium does not validate TLS connections to Elasticsearch
CISA Thorium does not validate TLS certificates when connecting to Elasticsearch. An unauthenticated attacker with access to a Thorium cluster could impersonate the Elasticsearch service. Fixed in 1.1.2.
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Medium 6.8
Kubernetes C# Client: improper certificate validation in custom CA mode may lead to man-in-the-middle attacks
A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority (CA) without properly verifying the trust chain. This flaw allows a malicious actor to present a…
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Critical 9.0
BMC Control-M/Agent default SSL/TLS configuration authenticated bypass
An authentication bypass vulnerability exists in the out-of-support Control-M/Agent versions 9.0.18 to 9.0.20 and potentially earlier unsupported versions when using an empty or default kdb keystore or a default PKCS#12 keystore. A remote attacker with access…
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High 8.8CVE-2025-50944 Public exploit
An issue was discovered in the method push.lite.avtech.com.MySSLSocketFactoryNew.checkServerTrusted in AVTECH EagleEyes…
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Medium 4.8
WTW-EAGLE App does not properly validate server certificates, which may allow a man-in-the-middle attacker to monitor e…
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High 7.7
Misconfigured certificate validation with self-signed certificates for Print Deploy
PaperCut Print Deploy is an optional component that integrates with PaperCut NG/MF which simplifies printer deployment and management. When the component is deployed to an environment, the customer has an option to configure the system to use a self-signed ce…
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Medium 5.9
IBM Concert Software information disclosure
IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.
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High 8.3
Qsync Central
An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in…
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High 8.3
Qsync Central
An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in…
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Medium 6.9
Lack of TLS validation in plugin Dell Powerscale on Checkmk Exchange
Improper Certificate Validation in Checkmk Exchange plugin Dell Powerscale allows attackers in MitM position to intercept traffic.