CVE-2017-18486: Jitbit Helpdesk before 9.0.3 allows remote attackers to escalate privileges because of mishandling of the User

Q: How do I fix CVE-2017-18486?

helpdesk: upgrade to 9.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2017-18486 being exploited?

CVE-2017-18486 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-18486 affect?

CVE-2017-18486 affects helpdesk. Severity is high (CVSS 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

Q: How urgent is CVE-2017-18486?

Priority 53/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2017-18486 is a high-severity flaw (CVSS 7.2) affecting helpdesk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	4.8% (top 8%)
CISA exploited list	No
Weakness	CWE-332
Published	2019-08-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jitbit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-08-09 17:15 UTCPublished CVE record published
2026-06-17 01:12 UTCUpdated Record last modified

jitbit helpdesk UPGRADE

Affected: < 9.0.3

Fixed in: 9.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy helpdesk || rpm -q helpdesk || helpdesk --version

2. UPGRADE to 9.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade helpdesk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade helpdesk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-18486?

helpdesk: upgrade to 9.0.3. Exact commands for each OS are on this page.

Is CVE-2017-18486 being exploited?

CVE-2017-18486 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-18486 affect?

CVE-2017-18486 affects helpdesk. Severity is high (CVSS 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

How urgent is CVE-2017-18486?

Priority 53/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

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References

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