Common Weakness Enumeration
CWE-305
AllowedAuthentication Bypass by Primary Weakness
Abstraction: Base · Status: Draft
The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.
304 vulnerabilities reference this CWE, most recent first.
CVE-2020-24683 (GCVE-0-2020-24683)
Vulnerability from cvelistv5 – Published: 2020-12-22 21:19 – Updated: 2024-09-17 01:36
VLAI
EPSS
VEX
Title
Authentication Bypass in Symphony Plus
Summary
The affected versions of S+ Operations (version 2.1 SP1 and earlier) used an approach for user authentication which relies on validation at the client node (client-side authentication). This is not as secure as having the server validate a client application before allowing a connection. Therefore, if the network communication or endpoints for these applications are not protected, unauthorized actors can bypass authentication and make unauthorized connections to the server application.
Severity
9.8 (Critical)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://search.abb.com/library/Download.aspx?Docu… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ABB | ABB Ability™ Symphony® Plus Operations |
Affected:
unspecified , < 2.1 SP1
(custom)
|
Date Public
2020-12-15 00:00
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CVE-2020-15787 (GCVE-0-2020-15787)
Vulnerability from cvelistv5 – Published: 2020-09-09 18:11 – Updated: 2024-08-04 13:22
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently validate authentication attempts as the information given can be truncated to match only a set number of characters versus the whole provided string. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.
Severity
No CVSS data available.
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC HMI Unified Comfort Panels |
Affected:
All versions <= V16
|
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CVE-2020-15078 (GCVE-0-2020-15078)
Vulnerability from cvelistv5 – Published: 2021-04-26 13:19 – Updated: 2024-08-04 13:08
VLAI
EPSS
VEX
Summary
OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
Severity
No CVSS data available.
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://community.openvpn.net/openvpn/wiki/CVE-20… | x_refsource_MISC |
| https://community.openvpn.net/openvpn/wiki/Securi… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202105-25 | vendor-advisoryx_refsource_GENTOO |
| https://usn.ubuntu.com/usn/usn-4933-1 | vendor-advisoryx_refsource_UBUNTU |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
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CVE-2020-15077 (GCVE-0-2020-15077)
Vulnerability from cvelistv5 – Published: 2021-06-04 10:42 – Updated: 2024-08-04 13:08
VLAI
EPSS
VEX
Summary
OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
Severity
No CVSS data available.
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://openvpn.net/vpn-server-resources/release-notes/ | x_refsource_MISC |
| https://openvpn.net/security-advisory/access-serv… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | OpenVPN Access Server |
Affected:
2.8.7 and earlier versions
|
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CVE-2020-14359 (GCVE-0-2020-14359)
Vulnerability from cvelistv5 – Published: 2021-02-23 12:42 – Updated: 2024-08-04 12:39
VLAI
EPSS
VEX
Summary
A vulnerability was found in all versions of Keycloak Gatekeeper, where on using lower case HTTP headers (via cURL) an attacker can bypass our Gatekeeper. Lower case headers are also accepted by some webservers (e.g. Jetty). This means there is no protection when we put a Gatekeeper in front of a Jetty server and use lowercase headers.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1868591 | x_refsource_MISC |
| https://issues.jboss.org/browse/KEYCLOAK-14090 | x_refsource_MISC |
Impacted products
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CVE-2020-11012 (GCVE-0-2020-11012)
Vulnerability from cvelistv5 – Published: 2020-04-23 21:55 – Updated: 2024-08-04 11:21
VLAI
EPSS
VEX
Title
Authentication bypass MinIO Admin API
Summary
MinIO versions before RELEASE.2020-04-23T00-58-49Z have an authentication bypass issue in the MinIO admin API. Given an admin access key, it is possible to perform admin API operations i.e. creating new service accounts for existing access keys - without knowing the admin secret key. This has been fixed and released in version RELEASE.2020-04-23T00-58-49Z.
Severity
9.3 (Critical)
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/minio/minio/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/minio/minio/pull/9422 | x_refsource_MISC |
| https://github.com/minio/minio/commit/4cd6ca02c79… | x_refsource_MISC |
| https://github.com/minio/minio/releases/tag/RELEA… | x_refsource_MISC |
Impacted products
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CVE-2020-10923 (GCVE-0-2020-10923)
Vulnerability from cvelistv5 – Published: 2020-07-28 17:10 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000. A crafted UPnP message can be used to bypass authentication. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-9642.
Severity
6.5 (Medium)
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2020-10126 (GCVE-0-2020-10126)
Vulnerability from cvelistv5 – Published: 2020-08-21 20:30 – Updated: 2025-11-04 19:12
VLAI
EPSS
VEX
Summary
NCR SelfServ ATMs running APTRA XFS 05.01.00 do not properly validate softare updates for the bunch note acceptor (BNA), enabling an attacker with physical access to internal ATM components to restart the host computer and execute arbitrary code with SYSTEM privileges because while booting, the update process looks for CAB archives on removable media and executes a specific file without first validating the signature of the CAB archive.
Severity
No CVSS data available.
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://kb.cert.org/vuls/id/815655 | x_refsource_MISC |
| https://www.ncr.com/content/dam/ncrcom/content-ty… | x_refsource_MISC |
| https://www.kb.cert.org/vuls/id/815655 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NCR | SelfServ ATM |
Affected:
APTRA XFS 05.01.00
|
Date Public
2020-08-20 00:00
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CVE-2020-10123 (GCVE-0-2020-10123)
Vulnerability from cvelistv5 – Published: 2020-08-21 20:30 – Updated: 2025-11-04 19:12
VLAI
EPSS
VEX
Summary
The currency dispenser of NCR SelfSev ATMs running APTRA XFS 05.01.00 or earlier does not adequately authenticate session key generation requests from the host computer, allowing an attacker with physical access to internal ATM components to issue valid commands to dispense currency by generating a new session key that the attacker knows.
Severity
No CVSS data available.
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://kb.cert.org/vuls/id/116713 | x_refsource_MISC |
| https://www.ncr.com/content/dam/ncrcom/content-ty… | x_refsource_MISC |
| https://www.ncr.com/content/dam/ncrcom/unsorted/j… | x_refsource_MISC |
| https://www.ncr.com/content/dam/ncrcom/content-ty… | x_refsource_MISC |
| https://www.ncr.com/content/dam/ncrcom/content-ty… | x_refsource_MISC |
| https://www.kb.cert.org/vuls/id/116713 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NCR | SelfServ ATM |
Affected:
APTRA XFS , ≤ 05.01.00
(custom)
|
Date Public
2020-08-20 00:00
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CVE-2019-14910 (GCVE-0-2019-14910)
Vulnerability from cvelistv5 – Published: 2019-12-05 14:16 – Updated: 2024-08-05 00:34
VLAI
EPSS
VEX
Summary
A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case user authentication succeeds even if invalid password has entered.
Severity
9.3 (Critical)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.