CVE-2018-17908: WebAccess Versions 8.3.2 and prior

Q: How do I fix CVE-2018-17908?

webaccess: upgrade to newer than 8.3.2. Exact commands for each OS are on this page.

Q: Is CVE-2018-17908 being exploited?

CVE-2018-17908 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-2018-17908 affect?

CVE-2018-17908 affects webaccess. Severity is high (CVSS 7.8). WebAccess Versions 8.3.2 and prior. During installation, the application installer disables user access control and does not re-enable it after the installation is complete. This could allow an attacker to run elevated arbitrary code.

Routine

HIGH 7.8UPGRADE

CVE-2018-17908 is a high-severity flaw (CVSS 7.8) affecting webaccess. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WebAccess Versions 8.3.2 and prior. During installation, the application installer disables user access control and does not re-enable it after the installation is complete. This could allow an attacker to run elevated arbitrary code.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-284
Published	2018-10-29
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: advantech

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

Am I affected?

Timeline

2018-10-29 18:29 UTCPublished CVE record published
2026-06-17 01:46 UTCUpdated Record last modified

advantech webaccess UPGRADE

Affected: <= 8.3.2

Fixed in: newer than 8.3.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 8.3.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webaccess

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-2018-17908?

webaccess: upgrade to newer than 8.3.2. Exact commands for each OS are on this page.

Is CVE-2018-17908 being exploited?

CVE-2018-17908 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-2018-17908 affect?

CVE-2018-17908 affects webaccess. Severity is high (CVSS 7.8). WebAccess Versions 8.3.2 and prior. During installation, the application installer disables user access control and does not re-enable it after the installation is complete. This could allow an attacker to run elevated arbitrary code.

How urgent is CVE-2018-17908?

Priority 37/100. High severity

Software pages

Advantech vulnerabilities

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References

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