CVE-2017-18486
Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of...
Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of mishandling of the User/AutoLogin userHash parameter. By inspecting the token value provided in a password reset link, a user can leverage a weak PRNG to recover the shared secret used by the server for remote authentication. The shared secret can be used to escalate privileges by forging new tokens for any user. These tokens can be used to automatically log in as the affected user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.2
Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of mishandling of the User/AutoLogin userHash parameter. By inspecting the token value provided in a password reset link, a user can leverage a weak PRNG to recover the shared secret used by the server for remote authentication. The shared secret can be used to escalate privileges by forging new tokens for any user. These tokens can be used to automatically log in as the affected user.
- Record
CVE-2017-18486- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-332
- Updated
- 2026-11-02
CVE List No score
Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of mishandling of the User/AutoLogin userHash parameter. By inspecting the token value provided in a password reset link, a user can leverage a weak PRNG to recover the shared secret used by the server for remote authentication. The shared secret can be used to escalate privileges by forging new tokens for any user. These tokens can be used to automatically log in as the affected user.
- Record
CVE-2017-18486- Updated
- 2026-11-02
EUVDEUVD-2017-9602 No score
Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of mishandling of the User/AutoLogin userHash parameter. By inspecting the token value provided in a password reset link, a user can leverage a weak PRNG to recover the shared secret used by the server for remote authentication. The shared secret can be used to escalate privileges by forging new tokens for any user. These tokens can be used to automatically log in as the affected user.
- Record
EUVD-2017-9602- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xp26-jqrv-cc5r
7.2
Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of...
Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of mishandling of the User/AutoLogin userHash parameter. By inspecting the token value provided in a password reset link, a user can leverage a weak PRNG to recover the shared secret used by the server for remote authentication. The shared secret can be used to escalate privileges by forging new tokens for any user. These tokens can be used to automatically log in as the affected user.
- Record
GHSA-xp26-jqrv-cc5r- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-332
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Kc57/JitBit_Helpdesk_Auth_Bypass | 2017-09-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-18486 is a high vulnerability (CVSS 7.2) in Jitbit Helpdesk, published August 9, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.81%, the 91st percentile. No source names a fixed version.
References
trustedsec.com/2017/09/full-disclosure-jitbit-helpdesk-authentication-bypass-0-day
github.com/Kc57/JitBit_Helpdesk_Auth_Bypass
exploit-db.com/exploits/42776
packetstormsecurity.com/files/144334/JitBit-Helpdesk-9.0.2-Broken-Authentication.html
nvd.nist.gov/vuln/detail/CVE-2017-18486
github.com/advisories/GHSA-xp26-jqrv-cc5r