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CWE-295

1,690 CVEs • Abstraction: Base

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

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CVEs (1,690)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Samsung
1Internet
Jun 17, 2026
May 16, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
Samsung Internet for Galaxy Watch version 5.0.9, available up until Samsung Galaxy Watch 3, does not properly validate TLS certificates, allowing for an attacker to impersonate any and all websites visited by the user. T...Show more
Samsung Internet for Galaxy Watch version 5.0.9, available up until Samsung Galaxy Watch 3, does not properly validate TLS certificates, allowing for an attacker to impersonate any and all websites visited by the user. This is a critical misconfiguration in the way the browser validates the identity of the server. It negates the use of HTTPS as a secure channel, allowing for Man-in-the-Middle attacks, stealing sensitive information or modifying incoming and outgoing traffic. NOTE: This vulnerability is in an end-of-life product that is no longer maintained by the vendor.Show less
-
-
Jun 17, 2026
May 9, 2025
9.4 CRITICAL· v4
N/A· v3
N/A· v2
"This issue is limited to motherboards and does not affect laptops, desktop computers, or other endpoints." An insufficient validation vulnerability in ASUS DriverHub may allow untrusted sources to affect system behavior...Show more
"This issue is limited to motherboards and does not affect laptops, desktop computers, or other endpoints." An insufficient validation vulnerability in ASUS DriverHub may allow untrusted sources to affect system behavior via crafted HTTP requests. Refer to the 'Security Update for ASUS DriverHub' section on the ASUS Security Advisory for more information.Show less
1Cisco
1Catalyst Sd Wan Manager
Jun 17, 2026
May 7, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
A vulnerability in certificate validation processing of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulne...Show more
A vulnerability in certificate validation processing of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper validation of certificates that are used by the Smart Licensing feature. An attacker with a privileged network position could exploit this vulnerability by intercepting traffic that is sent over the Internet. A successful exploit could allow the attacker to gain access to sensitive information, including credentials used by the device to connect to Cisco cloud services.Show less
1Jruby
2Jruby
Jruby Openssl
Jun 17, 2026
May 7, 2025
5.7 MEDIUM· v4
3.7 LOW· v3
N/A· v2
JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. Starting in JRuby-OpenSSL version 0.12.1 and prior to version 0.15.4 (corresponding to JRuby versions starting in 9.3.4.0 prior to 9...Show more
JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. Starting in JRuby-OpenSSL version 0.12.1 and prior to version 0.15.4 (corresponding to JRuby versions starting in 9.3.4.0 prior to 9.4.12.1 and 10.0.0.0 prior to 10.0.0.1), when verifying SSL certificates, JRuby-OpenSSL does not verify that the hostname presented in the certificate matches the one the user tries to connect to. This means a man-in-the-middle could just present any valid cert for a completely different domain they own, and JRuby would accept the cert. Anybody using JRuby to make requests of external APIs, or scraping the web, that depends on https to connect securely. JRuby-OpenSSL version 0.15.4 contains a fix for the issue. This fix is included in JRuby versions 10.0.0.1 and 9.4.12.1.Show less
2Debian
Oneidentity
2Debian Linux
Syslog Ng
Jun 17, 2026
May 7, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
syslog-ng is an enhanced log daemo. Prior to version 4.8.2, `tls_wildcard_match()` matches on certificates such as `foo.*.bar` although that is not allowed. It is also possible to pass partial wildcards such as `foo.a*c....Show more
syslog-ng is an enhanced log daemo. Prior to version 4.8.2, `tls_wildcard_match()` matches on certificates such as `foo.*.bar` although that is not allowed. It is also possible to pass partial wildcards such as `foo.a*c.bar` which glib matches but should be avoided / invalidated. This issue could have an impact on TLS connections, such as in man-in-the-middle situations. Version 4.8.2 contains a fix for the issue.Show less
1Ibm
1I
Jun 17, 2026
May 7, 2025
N/A· v4
5.4 MEDIUM· v3
N/A· v2
IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brut...Show more
IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brute force authentication attacks or to bypass authority restrictions, to access the server.Show less
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-
Jun 17, 2026
May 6, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode =>...Show more
Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode => full was set.Show less
1Mediatek
3Nr16
Nr17Nr17r
Jun 17, 2026
May 5, 2025
N/A· v4
5.7 MEDIUM· v3
N/A· v2
In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with Use...Show more
In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with User execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01334347; Issue ID: MSV-2772.Show less
2Apache
Netapp
2Httpclient
Ontap Tools
Jun 17, 2026
Apr 24, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
A bug in PSL validation logic in Apache HttpClient 5.4.x disables domain checks, affecting cookie management and host name verification. Discovered by the Apache HttpClient team. Fixed in the 5.4.3 release
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-
Jun 17, 2026
Apr 23, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
BYD QIN PLUS DM-i Dilink OS v3.0_13.1.7.2204050.1 to v3.0_13.1.7.2312290.1_0 was discovered to cend broadcasts to the manufacturer's cloud server unencrypted, allowing attackers to execute a man-in-the-middle attack.
1Dell
2Elastic Cloud Storage
Objectscale
Jun 17, 2026
Apr 17, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Dell ECS version 3.8.1.4 and prior contain an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information d...Show more
Dell ECS version 3.8.1.4 and prior contain an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information disclosure.Show less
1Hcltech
1Bigfix Platform
Jun 17, 2026
Apr 15, 2025
2.1 LOW· v4
8.1 HIGH· v3
N/A· v2
HCL BigFix Web Reports' service communicates over HTTPS but exhibits a weakness in its handling of SSL certificate validation. This scenario presents a possibility of man-in-the-middle (MITM) attacks and data exposure as...Show more
HCL BigFix Web Reports' service communicates over HTTPS but exhibits a weakness in its handling of SSL certificate validation. This scenario presents a possibility of man-in-the-middle (MITM) attacks and data exposure as, if exploited, this vulnerability could potentially lead to unauthorized access.Show less
1Ivanti
1Endpoint Manager
Jun 17, 2026
Apr 8, 2025
N/A· v4
4.8 MEDIUM· v3
N/A· v2
Improper certificate validation in Ivanti Endpoint Manager before version 2024 SU1 or before version 2022 SU7 allows a remote unauthenticated attacker to intercept limited traffic between clients and servers.
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-
Jun 17, 2026
Apr 8, 2025
5.4 MEDIUM· v4
6.7 MEDIUM· v3
N/A· v2
A vulnerability has been identified in Siemens License Server (SLS) (All versions < V4.3). The affected application does not properly restrict permissions of the users. This could allow a lowly-privileged attacker to esc...Show more
A vulnerability has been identified in Siemens License Server (SLS) (All versions < V4.3). The affected application does not properly restrict permissions of the users. This could allow a lowly-privileged attacker to escalate their privileges.Show less
1Libreoffice
1Libreoffice
Jun 17, 2026
Mar 21, 2025
5.2 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invali...Show more
An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a valid signature issued by a trusted person This issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.Show less
-
-
Jun 17, 2026
Mar 20, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
HCL Digital Experience components Ring API and dxclient may be vulnerable to man-in-the-middle (MitM) attacks prior to 9.5 CF226. An attacker could intercept and potentially alter communication between two parties.
1Synology
2Beestation Os
Diskstation Manager
Jun 17, 2026
Mar 19, 2025
N/A· v4
5.3 MEDIUM· v3
N/A· v2
Improper certificate validation vulnerability in the update functionality in Synology BeeStation OS (BSM) before 1.1-65374 and Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.1.1-42962-7, 7.2-64570-4, 7.2.1-69...Show more
Improper certificate validation vulnerability in the update functionality in Synology BeeStation OS (BSM) before 1.1-65374 and Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.1.1-42962-7, 7.2-64570-4, 7.2.1-69057-6 and 7.2.2-72806-1 allow remote attackers to write limited files via unspecified vectors.Show less
1Synology
1Diskstation Manager
Jun 17, 2026
Mar 19, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Improper certificate validation vulnerability in the LDAP utilities in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows man-in-the-middle attackers to hijack the authenticat...Show more
Improper certificate validation vulnerability in the LDAP utilities in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows man-in-the-middle attackers to hijack the authentication of administrators via unspecified vectors.Show less
1Fortinet
1Fortinac F
Jun 17, 2026
Mar 14, 2025
N/A· v4
4.8 MEDIUM· v3
N/A· v2
An improper certificate validation vulnerability [CWE-295] in FortiNAC-F version 7.2.4 and below may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the HTTPS communication channel be...Show more
An improper certificate validation vulnerability [CWE-295] in FortiNAC-F version 7.2.4 and below may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the HTTPS communication channel between the FortiOS device, an inventory, and FortiNAC-F.Show less
1Fortinet
1Fortiportal
Jun 17, 2026
Mar 14, 2025
N/A· v4
4.8 MEDIUM· v3
N/A· v2
An improper certificate validation vulnerability [CWE-295] in FortiPortal version 7.4.0, version 7.2.4 and below, version 7.0.8 and below, version 6.0.15 and below when connecting to a FortiManager device, a FortiAnalyze...Show more
An improper certificate validation vulnerability [CWE-295] in FortiPortal version 7.4.0, version 7.2.4 and below, version 7.0.8 and below, version 6.0.15 and below when connecting to a FortiManager device, a FortiAnalyzer device, or an SMTP server may allow an unauthenticated attacker in a Man-in-the-Middle position to intercept on and tamper with the encrypted communication channel established between the FortiPortal and those endpoints.Show less