CVE-2018-18766: An elevation of privilege vulnerability exists in the Call Dispatcher in Provisio SiteKiosk before 9.7.4905.

Q: How do I fix CVE-2018-18766?

sitekiosk: upgrade to 9.7.4905. Exact commands for each OS are on this page.

Q: Is CVE-2018-18766 being exploited?

CVE-2018-18766 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-2018-18766 affect?

CVE-2018-18766 affects sitekiosk. Severity is critical (CVSS 9.8). An elevation of privilege vulnerability exists in the Call Dispatcher in Provisio SiteKiosk before 9.7.4905.

Q: How urgent is CVE-2018-18766?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-18766 is a critical-severity flaw (CVSS 9.8) affecting sitekiosk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An elevation of privilege vulnerability exists in the Call Dispatcher in Provisio SiteKiosk before 9.7.4905.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2019-03-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: provisio

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

Am I affected?

Timeline

2019-03-29 21:29 UTCPublished CVE record published
2026-06-17 01:47 UTCUpdated Record last modified

provisio sitekiosk UPGRADE

Affected: < 9.7.4905

Fixed in: 9.7.4905

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 9.7.4905 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sitekiosk

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-2018-18766?

sitekiosk: upgrade to 9.7.4905. Exact commands for each OS are on this page.

Is CVE-2018-18766 being exploited?

CVE-2018-18766 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-2018-18766 affect?

CVE-2018-18766 affects sitekiosk. Severity is critical (CVSS 9.8). An elevation of privilege vulnerability exists in the Call Dispatcher in Provisio SiteKiosk before 9.7.4905.

How urgent is CVE-2018-18766?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

References

← Back to latest CVEs