CVE-2019-11187
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker...
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
- Record
CVE-2019-11187- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
- Record
CVE-2019-11187- Updated
- 2026-11-02
EUVDEUVD-2019-2891 No score
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
- Record
EUVD-2019-2891- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9f66-x3qx-v4cg
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker...
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
- Record
GHSA-9f66-x3qx-v4cg- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
- Record
CVE-2019-11187- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-11187
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
- Record
DEBIAN-CVE-2019-11187- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-11187
Incorrect Access Control in the LDAP class of GONICUS GOsa through 2019-04-11 allows an attacker to log into any account with a username containing the case-insensitive substring "success" when an arbitrary password is provided.
- Record
UBUNTU-CVE-2019-11187- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUSN-4609-1 No score
gosa vulnerabilities
Fabian Henneke discovered that GOsa incorrectly handled client cookies. An authenticated user could exploit this with a crafted cookie to perform file deletions in the context of the user account that runs the web server. (CVE-2019-14466)
It was discovered that GOsa incorrectly handled user access control. A remote attacker could use this issue to log into any account with a username containing the word "success". (CVE-2019-11187)
Fabian Henneke discovered that GOsa was vulnerable to cross-site scripting attacks via the change password form. A remote attacker could use this flaw to run arbitrary web scripts. (CVE-2018-1000528)
- Record
USN-4609-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gosaDebian:12 |
before 2.7.4+reloaded3-9 | 2.7.4+reloaded3-9 |
gosaDebian:13 |
before 2.7.4+reloaded3-9 | 2.7.4+reloaded3-9 |
gosaDebian:14 |
before 2.7.4+reloaded3-9 | 2.7.4+reloaded3-9 |
fusiondirectoryDebian:8 |
before 1.0.8.2-5+deb8u2, plus listed versions 1.0.8.2-51.0.8.2-5+deb8u1 |
1.0.8.2-5+deb8u2 |
gosaDebian:8 |
before 2.7.4+reloaded2-1+deb8u4, plus listed versions 2.7.4+reloaded2-12.7.4+reloaded2-1+deb8u12.7.4+reloaded2-1+deb8u22.7.4+reloaded2-1+deb8u3 |
2.7.4+reloaded2-1+deb8u4 |
gosaUbuntu:16.04:LTS |
before 2.7.4+reloaded2-9ubuntu1.1, plus listed versions 2.7.4+reloaded2-22.7.4+reloaded2-52.7.4+reloaded2-62.7.4+reloaded2-72.7.4+reloaded2-82.7.4+reloaded2-92.7.4+reloaded2-9ubuntu1 |
2.7.4+reloaded2-9ubuntu1.1 |
fusiondirectoryUbuntu:16.04:LTS |
All versions, plus listed versions 1.0.8.8-31.0.8.8-3ubuntu11.0.8.8-3ubuntu21.0.8.8-3ubuntu2.16.04.1 |
None known |
fusiondirectoryUbuntu:18.04:LTS |
All versions, plus listed versions 1.0.19-11.0.19-1ubuntu0.18.04.1 |
None known |
gosaUbuntu:18.04:LTS |
All versions, plus listed versions 2.7.4+reloaded2-13ubuntu12.7.4+reloaded3-2ubuntu12.7.4+reloaded3-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-11187 is a critical vulnerability (CVSS 9.8) in Gonicus Gosa, published August 10, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.75%, the 77th percentile. Fixed in gosa 2.7.4+reloaded3-9.