CVE-2018-5955
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently...
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently filtered, allowing an unauthenticated attacker to add a user to the server via the username and password fields to the rest/user/ URI.
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
9.8
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently filtered, allowing an unauthenticated attacker to add a user to the server via the username and password fields to the rest/user/ URI.
- Record
CVE-2018-5955- 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-20
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently filtered, allowing an unauthenticated attacker to add a user to the server via the username and password fields to the rest/user/ URI.
- Record
CVE-2018-5955- Updated
- 2026-11-02
EUVDEUVD-2018-17722 No score
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently filtered, allowing an unauthenticated attacker to add a user to the server via the username and password fields to the rest/user/ URI.
- Record
EUVD-2018-17722- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fxv2-2mqx-vqg2
9.8
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently...
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently filtered, allowing an unauthenticated attacker to add a user to the server via the username and password fields to the rest/user/ URI.
- Record
GHSA-fxv2-2mqx-vqg2- 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-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | GitStack - Remote Code Execution | 2018-01-15 |
| Exploit-DB | GitStack - Unsanitized Argument Remote Code Execution (Metasploit) | 2018-03-29 |
| Metasploit | GitStack Unauthenticated REST API Requests | 2018-01-15 |
| Metasploit | GitStack Unsanitized Argument RCE | 2018-01-15 |
| PoC in GitHub | MikeTheHash/CVE-2018-5955 | 2023-06-23 |
| PoC in GitHub | QianliZLP/GitStackRCE | 2022-07-18 |
| PoC in GitHub | YagamiiLight/Cerberus | 2019-12-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-5955 is a critical vulnerability (CVSS 9.8) in Smartmobilesoftware Gitstack, published January 21, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 81.6%, the 99th percentile. No source names a fixed version.