Common Weakness Enumeration
CWE-295
AllowedImproper Certificate Validation
Abstraction: Base · Status: Draft
The product does not validate, or incorrectly validates, a certificate.
2127 vulnerabilities reference this CWE, most recent first.
CVE-2025-61778 (GCVE-0-2025-61778)
Vulnerability from cvelistv5 – Published: 2025-10-06 16:53 – Updated: 2025-10-06 17:05
VLAI
EPSS
VEX
Title
Akka.Remote TLS did not properly implement certificate-based authentication
Summary
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 the server-side of inbound connections. Akka.Remote, however, never asked the outbound-connecting client to present ITS certificate - therefore it's possible for untrusted parties to connect to a private key'd Akka.NET cluster and begin communicating with it without any certificate. The issue here is that for certificate-based authentication to work properly, ensuring that all members of the Akka.Remote network are secured with the same private key, Akka.Remote needed to implement mutual TLS. This was not the case before Akka.NET v1.5.52. Those who run Akka.NET inside a private network that they fully control or who were never using TLS in the first place are now affected by the bug. However, those who use TLS to secure their networks must upgrade to Akka.NET V1.5.52 or later. One patch forces "fail fast" semantics if TLS is enabled but the private key is missing or invalid. Previous versions would only check that once connection attempts occurred. The second patch, a critical fix, enforces mutual TLS (mTLS) by default, so both parties must be keyed using the same certificate. As a workaround, avoid exposing the application publicly to avoid the vulnerability having a practical impact on one's application. However, upgrading to version 1.5.52 is still recommended by the maintainers.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-06 17:05 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/akkadotnet/akka.net/security/a… | x_refsource_CONFIRM |
| https://github.com/akkadotnet/akka.net/pull/7847 | x_refsource_MISC |
| https://github.com/akkadotnet/akka.net/pull/7851 | x_refsource_MISC |
| https://getakka.net/articles/remoting/security.html | x_refsource_MISC |
| https://github.com/akkadotnet/akka.net/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| akkadotnet | akka.net |
Affected:
>= 1.2.0, < 1.5.52
|
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CVE-2025-60022 (GCVE-0-2025-60022)
Vulnerability from cvelistv5 – Published: 2025-11-17 05:51 – Updated: 2025-11-17 16:36
VLAI
EPSS
VEX
Summary
Improper certificate validation vulnerability exists in 'デジラアプリ' App for iOS prior to ver.80.10.00. If this vulnerability is exploited, a man-in-the-middle attack may allow an attacker to eavesdrop on and/or tamper with an encrypted communication.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-17 16:33 UTC
CWE
- CWE-295 - Improper certificate validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN54005037/ |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| KDDI CORPORATION | 'デジラアプリ' App for iOS |
Affected:
prior to ver.80.10.00
|
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CVE-2025-59353 (GCVE-0-2025-59353)
Vulnerability from cvelistv5 – Published: 2025-09-17 19:53 – Updated: 2025-09-18 17:44
VLAI
EPSS
VEX
Title
Manager generates mTLS certificates for arbitrary IP addresses
Summary
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 Certificate gRPC service does not validate if the requested IP addresses “belong to” the peer requesting the certificate—that is, if the peer connects from the same IP address as the one provided in the certificate request. This vulnerability is fixed in 2.1.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-18 17:44 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/dragonflyoss/dragonfly/securit… | x_refsource_CONFIRM |
| https://github.com/dragonflyoss/dragonfly/blob/ma… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| dragonflyoss | dragonfly |
Affected:
< 2.1.0
|
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CVE-2025-59347 (GCVE-0-2025-59347)
Vulnerability from cvelistv5 – Published: 2025-09-17 19:23 – Updated: 2025-09-17 19:34
VLAI
EPSS
VEX
Title
Dragonfly Manager makes requests to external endpoints with disabled TLS authentication
Summary
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 Manager processes dozens of preheat jobs. An adversary performs a network-level Man-in-the-Middle attack, providing invalid data to the Manager. The Manager preheats with the wrong data, which later causes a denial of service and file integrity problems. This vulnerability is fixed in 2.1.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-17 19:33 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/dragonflyoss/dragonfly/securit… | x_refsource_CONFIRM |
| https://github.com/dragonflyoss/dragonfly/blob/ma… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| dragonflyoss | dragonfly |
Affected:
< 2.1.0
|
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CVE-2025-58781 (GCVE-0-2025-58781)
Vulnerability from cvelistv5 – Published: 2025-09-12 05:50 – Updated: 2025-09-12 16:30
VLAI
EPSS
VEX
Summary
WTW-EAGLE App does not properly validate server certificates, which may allow a man-in-the-middle attacker to monitor encrypted traffic.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-12 16:29 UTC
CWE
- CWE-295 - Improper certificate validation
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Wireless Tsukamoto Co., Ltd. | WTW-EAGLE App for iOS |
Affected:
prior to 4.4.1
|
|
| Wireless Tsukamoto Co., Ltd. | WTW-EAGLE App for Android |
Affected:
prior to 4.4.0.10
|
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CVE-2025-58127 (GCVE-0-2025-58127)
Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:12
VLAI
EPSS
VEX
Title
Lack of TLS validation in plugin Dell Powerscale on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin Dell Powerscale allows attackers in MitM position to intercept traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-28 13:12 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://exchange.checkmk.com/p/powerscale | product |
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CVE-2025-58126 (GCVE-0-2025-58126)
Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:14
VLAI
EPSS
VEX
Title
Lack of TLS validation in plugin VMware vSAN on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin VMware vSAN allows attackers in MitM position to intercept traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-28 13:14 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://exchange.checkmk.com/p/vsan | product |
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CVE-2025-58125 (GCVE-0-2025-58125)
Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:17
VLAI
EPSS
VEX
Title
Lack of TLS validation in plugin Freebox v6 agent on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin Freebox v6 agent allows attackers in MitM position to intercept traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-28 13:17 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://exchange.checkmk.com/p/freebox-v6 | product |
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CVE-2025-58124 (GCVE-0-2025-58124)
Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-10-07 09:33
VLAI
EPSS
VEX
Title
Lack of TLS validation in plugin check-mk-api on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-28 13:18 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://exchange.checkmk.com/p/check-mk-api | product |
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CVE-2025-58123 (GCVE-0-2025-58123)
Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:20
VLAI
EPSS
VEX
Title
Lack of TLS validation in plugin BGP Monitoring on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin BGP Monitoring allows attackers in MitM position to intercept traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-28 13:19 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://exchange.checkmk.com/p/bgp-mon | product |
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"cveId": "CVE-2025-58123",
"datePublished": "2025-08-28T12:59:25.737Z",
"dateReserved": "2025-08-25T11:50:49.622Z",
"dateUpdated": "2025-08-28T13:20:27.456Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Architecture and Design
Implementation
Certificates should be carefully managed and checked to assure that data are encrypted with the intended owner's public key.
Mitigation
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.
CAPEC-459: Creating a Rogue Certification Authority Certificate
An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
CAPEC-475: Signature Spoofing by Improper Validation
An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.