CVE-2024-29296
Portainer CE allows username enumeration through authentication response timing
A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
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
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
- Record
CVE-2024-29296- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-286
- Updated
- 2026-11-02
EUVDEUVD-2024-26308
A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
- Record
EUVD-2024-26308- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-87x6-8m9v-g8c2
Portainer CE allows username enumeration through authentication response timing
A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
- Record
GHSA-87x6-8m9v-g8c2- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-286
- Updated
- 2026-11-02
NVD
A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
- Record
CVE-2024-29296- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-286
- Updated
- 2026-11-02
OSV
A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
- Record
CVE-2024-29296- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-87x6-8m9v-g8c2
Portainer CE allows username enumeration through authentication response timing
A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
- Record
GHSA-87x6-8m9v-g8c2- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-286
- Updated
- 2026-11-02
OSVGO-2026-6619 No score
Portainer CE allows username enumeration through authentication response timing in github.com/portainer/portainer
Portainer CE allows username enumeration through authentication response timing in github.com/portainer/portainer
- Record
GO-2026-6619- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/portainer/portainerGo |
before 0.6.1-0.20240417040827-48bc7d0d92f0 | 0.6.1-0.20240417040827-48bc7d0d92f0 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Lavender-exe/CVE-2024-29296-PoC | 2024-04-29 |
| PoC in GitHub | ThaySolis/CVE-2024-29296 | 2024-04-09 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-29296 is a medium vulnerability (CVSS 5.3) in Portainer, published April 10, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. Fixed in github.com/portainer/portainer 0.6.1-0.20240417040827-48bc7d0d92f0.