CWE-90
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Description
The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.
Hierarchy (View 1000)
Parents
Children
none
Related attack patterns (CAPEC)
CAPEC-136
CVEs mapped to this weakness (81)
page 2 of 5| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2023-29050 | Hig | 0.50 | 7.6 | 0.02 | Jan 8, 2024 | The optional "LDAP contacts provider" could be abused by privileged users to inject LDAP filter strings that allow to access content outside of the intended hierarchy. Unauthorized users could break confidentiality of information in the directory and potentially cause high load… | ||
| CVE-2026-11770 | Hig | 0.49 | 7.5 | 0.00 | Jul 31, 2026 | A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and… | ||
| CVE-2026-29138 | Hig | 0.49 | 7.5 | 0.00 | Apr 2, 2026 | SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own. | ||
| CVE-2026-29131 | Hig | 0.49 | 7.5 | 0.00 | Apr 2, 2026 | SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users. | ||
| CVE-2025-67493 | Hig | 0.49 | 7.5 | 0.00 | Dec 17, 2025 | Homarr is an open-source dashboard. Prior to version 1.45.3, it was possible to craft an input which allowed privilege escalation and getting access to groups of other users due to missing sanitization of inputs in ldap search query. The vulnerability could impact all instances… | ||
| CVE-2023-3447 | Hig | 0.49 | 7.6 | 0.01 | Jun 29, 2023 | The Active Directory Integration / LDAP Integration plugin for WordPress is vulnerable to LDAP Injection in versions up to, and including, 4.1.5. This is due to insufficient escaping on the supplied username value. This makes it possible for attackers, with an existing account… | ||
| CVE-2021-23335 | Hig | 0.49 | 7.5 | 0.01 | Feb 11, 2021 | All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure. | ||
| CVE-2017-4927 | Hig | 0.49 | 7.5 | 0.02 | Nov 17, 2017 | VMware vCenter Server (6.5 prior to 6.5 U1 and 6.0 prior to 6.0 U3c) does not correctly handle specially crafted LDAP network packets which may allow for remote denial of service. | ||
| CVE-2024-56841 | Hig | 0.48 | 7.4 | 0.01 | Jan 14, 2025 | A vulnerability has been identified in Mendix LDAP (All versions < V1.1.2). Affected versions of the module are vulnerable to LDAP injection. This could allow an unauthenticated remote attacker to bypass username verification. | ||
| CVE-2026-40193 | Hig | 0.46 | 8.2 | 0.00 | Apr 16, 2026 | maddy is a composable, all-in-one mail server. Versions prior to 0.9.3 contain an LDAP injection vulnerability in the auth.ldap module where user-supplied usernames are interpolated into LDAP search filters and DN strings via strings.ReplaceAll() without any LDAP filter… | ||
| CVE-2026-34578 | Hig | 0.46 | 8.2 | 0.00 | Apr 9, 2026 | OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap_escape(). An unauthenticated attacker can inject LDAP filter metacharacters… | ||
| CVE-2026-1498 | Hig | 0.46 | — | 0.01 | Jan 30, 2026 | An LDAP Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from a connected LDAP authentication server through an exposed authentication or management web interface. This vulnerability may also allow a… | ||
| CVE-2021-41232 | Hig | 0.46 | 8.1 | 0.01 | Nov 2, 2021 | Thunderdome is an open source agile planning poker tool in the theme of Battling for points. In affected versions there is an LDAP injection vulnerability which affects instances with LDAP authentication enabled. The provided username is not properly escaped. This issue has been… | ||
| CVE-2026-46619 | hig | 0.45 | — | — | Jun 26, 2026 | ## Summary **Description** An LDAP Injection (CWE-90) vulnerability in the MSISDN authentication module allows an unauthenticated, remote attacker to obtain an arbitrary OpenAM session without a password in the default trusted gateway configuration. This impacts OpenAM… | ||
| CVE-2026-11748 | Med | 0.45 | — | 0.01 | Jun 22, 2026 | A vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated… | ||
| CVE-2021-43782 | Med | 0.44 | 6.7 | 0.01 | Dec 15, 2021 | Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. This is a follow up to GHSA-887w-pv2r-x8pm/CVE-2021-41276, the initial fix was incomplete. Tuleap does not sanitize properly the search filter built from the ldap_id… | ||
| CVE-2021-41276 | Med | 0.44 | 6.7 | 0.01 | Dec 15, 2021 | Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. In affected versions Tuleap does not sanitize properly the search filter built from the ldap_id attribute of a user during the daily synchronization. A malicious user could… | ||
| CVE-2016-9870 | Med | 0.44 | 6.7 | 0.00 | Jan 23, 2017 | EMC Isilon OneFS 8.0.0.0, EMC Isilon OneFS 7.2.1.0 - 7.2.1.2, EMC Isilon OneFS 7.2.0.x, EMC Isilon OneFS 7.1.1.0 - 7.1.1.10, and EMC Isilon OneFS 7.1.0.x is affected by an LDAP injection vulnerability that could potentially be exploited by a malicious user to compromise the… | ||
| CVE-2016-8750 | Med | 0.43 | 6.5 | 0.05 | Feb 19, 2018 | Apache Karaf prior to 4.0.8 used the LDAPLoginModule to authenticate users to a directory via LDAP. However, it did not encoding usernames properly and hence was vulnerable to LDAP injection attacks leading to a denial of service. | ||
| CVE-2026-44671 | Hig | 0.42 | 7.5 | 0.00 | May 14, 2026 | ZITADEL is an open source identity management platform. From 2.71.11 to before 3.4.10 and 4.15.0, a vulnerability was discovered in Zitadel's LDAP identity provider implementation, which fails to properly escape user-provided usernames before incorporating them into LDAP search… |
- risk 0.50cvss 7.6epss 0.02
The optional "LDAP contacts provider" could be abused by privileged users to inject LDAP filter strings that allow to access content outside of the intended hierarchy. Unauthorized users could break confidentiality of information in the directory and potentially cause high load…
- risk 0.49cvss 7.5epss 0.00
A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and…
- risk 0.49cvss 7.5epss 0.00
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.
- risk 0.49cvss 7.5epss 0.00
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users.
- risk 0.49cvss 7.5epss 0.00
Homarr is an open-source dashboard. Prior to version 1.45.3, it was possible to craft an input which allowed privilege escalation and getting access to groups of other users due to missing sanitization of inputs in ldap search query. The vulnerability could impact all instances…
- risk 0.49cvss 7.6epss 0.01
The Active Directory Integration / LDAP Integration plugin for WordPress is vulnerable to LDAP Injection in versions up to, and including, 4.1.5. This is due to insufficient escaping on the supplied username value. This makes it possible for attackers, with an existing account…
- risk 0.49cvss 7.5epss 0.01
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
- risk 0.49cvss 7.5epss 0.02
VMware vCenter Server (6.5 prior to 6.5 U1 and 6.0 prior to 6.0 U3c) does not correctly handle specially crafted LDAP network packets which may allow for remote denial of service.
- risk 0.48cvss 7.4epss 0.01
A vulnerability has been identified in Mendix LDAP (All versions < V1.1.2). Affected versions of the module are vulnerable to LDAP injection. This could allow an unauthenticated remote attacker to bypass username verification.
- risk 0.46cvss 8.2epss 0.00
maddy is a composable, all-in-one mail server. Versions prior to 0.9.3 contain an LDAP injection vulnerability in the auth.ldap module where user-supplied usernames are interpolated into LDAP search filters and DN strings via strings.ReplaceAll() without any LDAP filter…
- risk 0.46cvss 8.2epss 0.00
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap_escape(). An unauthenticated attacker can inject LDAP filter metacharacters…
- risk 0.46cvss —epss 0.01
An LDAP Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from a connected LDAP authentication server through an exposed authentication or management web interface. This vulnerability may also allow a…
- risk 0.46cvss 8.1epss 0.01
Thunderdome is an open source agile planning poker tool in the theme of Battling for points. In affected versions there is an LDAP injection vulnerability which affects instances with LDAP authentication enabled. The provided username is not properly escaped. This issue has been…
- risk 0.45cvss —epss —
## Summary **Description** An LDAP Injection (CWE-90) vulnerability in the MSISDN authentication module allows an unauthenticated, remote attacker to obtain an arbitrary OpenAM session without a password in the default trusted gateway configuration. This impacts OpenAM…
- risk 0.45cvss —epss 0.01
A vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated…
- risk 0.44cvss 6.7epss 0.01
Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. This is a follow up to GHSA-887w-pv2r-x8pm/CVE-2021-41276, the initial fix was incomplete. Tuleap does not sanitize properly the search filter built from the ldap_id…
- risk 0.44cvss 6.7epss 0.01
Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. In affected versions Tuleap does not sanitize properly the search filter built from the ldap_id attribute of a user during the daily synchronization. A malicious user could…
- risk 0.44cvss 6.7epss 0.00
EMC Isilon OneFS 8.0.0.0, EMC Isilon OneFS 7.2.1.0 - 7.2.1.2, EMC Isilon OneFS 7.2.0.x, EMC Isilon OneFS 7.1.1.0 - 7.1.1.10, and EMC Isilon OneFS 7.1.0.x is affected by an LDAP injection vulnerability that could potentially be exploited by a malicious user to compromise the…
- risk 0.43cvss 6.5epss 0.05
Apache Karaf prior to 4.0.8 used the LDAPLoginModule to authenticate users to a directory via LDAP. However, it did not encoding usernames properly and hence was vulnerable to LDAP injection attacks leading to a denial of service.
- risk 0.42cvss 7.5epss 0.00
ZITADEL is an open source identity management platform. From 2.71.11 to before 3.4.10 and 4.15.0, a vulnerability was discovered in Zitadel's LDAP identity provider implementation, which fails to properly escape user-provided usernames before incorporating them into LDAP search…