CVE-2018-17496: eVisitorPass could allow a local attacker to gain elevated privileges on the system, caused by an error while

Routine

HIGH 8.4DOWNGRADE

CVE-2018-17496 is a high-severity flaw (CVSS 8.4) affecting evisitorpass. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

eVisitorPass could allow a local attacker to gain elevated privileges on the system, caused by an error while in kiosk mode. By visiting the kiosk and typing ctrl+shift+esc, an attacker could exploit this vulnerability to open the task manager to kill the process or launch new processes on the system.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Published	2019-03-21
Last modified	2026-06-17

Publisher (CNA): IBM Corporation · Vendor: thresholdsecurity

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

Am I affected?

Timeline

2019-03-21 16:00 UTCPublished CVE record published
2026-06-17 01:45 UTCUpdated Record last modified

thresholdsecurity evisitorpass DOWNGRADE

Affected: 1.5.5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.5.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.5.2 (Debian / Ubuntu)

apt-cache madison evisitorpass sudo apt install evisitorpass=<VERSION_BEFORE_1.5.5.2> sudo apt-mark hold evisitorpass

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list evisitorpass sudo dnf downgrade evisitorpass-<VERSION_BEFORE_1.5.5.2> sudo dnf versionlock add evisitorpass

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2018-17496?

evisitorpass: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-17496 being exploited?

CVE-2018-17496 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-2018-17496 affect?

CVE-2018-17496 affects evisitorpass. Severity is high (CVSS 8.4). eVisitorPass could allow a local attacker to gain elevated privileges on the system, caused by an error while in kiosk mode. By visiting the kiosk and typing ctrl+shift+esc, an attacker could exploit this vulnerability to open the task mana

How urgent is CVE-2018-17496?

Priority 38/100. High severity

Related CVEs

CVE-2018-17497 HIGH 8.4 DOWNGRADE eVisitorPass contains default administrative credentials
CVE-2018-17495 HIGH 8.4 DOWNGRADE eVisitorPass could allow a local attacker to gain elevated privileges on the system, caused by an error with t
CVE-2018-17494 HIGH 8.4 DOWNGRADE eVisitorPass could allow a local attacker to gain elevated privileges on the system, caused by an error with t
CVE-2018-17493 HIGH 8.4 DOWNGRADE eVisitorPass could allow a local attacker to gain elevated privileges on the system, caused by an error with t

References

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