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HIGH

CVE-2017-18486

CVSS v3

7.2

HIGH

EPSS Score

4.8 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2017-18486 yet.

Full record on NVD

Description

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.

Technical details

Published
2019-08-09

Frequently asked questions

What is CVE-2017-18486?

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.

Is CVE-2017-18486 actively exploited?

Active exploitation of CVE-2017-18486 has not been confirmed. Its EPSS score was 4.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-18486?

CVE-2017-18486 has a CVSS v3 base score of 7.2 (HIGH severity).

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