CVE-2017-16716: A SQL Injection issue was discovered in WebAccess versions prior to 8.3

Q: How do I fix CVE-2017-16716?

webaccess: upgrade to 8.3. Exact commands for each OS are on this page.

Q: Is CVE-2017-16716 being exploited?

CVE-2017-16716 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-2017-16716 affect?

CVE-2017-16716 affects webaccess. Severity is critical (CVSS 9.8). A SQL Injection issue was discovered in WebAccess versions prior to 8.3. WebAccess does not properly sanitize its inputs for SQL commands.

Q: How urgent is CVE-2017-16716?

Priority 68/100. Critical severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2017-16716 is a critical-severity flaw (CVSS 9.8) affecting webaccess. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A SQL Injection issue was discovered in WebAccess versions prior to 8.3. WebAccess does not properly sanitize its inputs for SQL commands.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited
Public exploit reference
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	6.0% (top 7%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-01-05
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

2018-01-05 08:29 UTCPublished CVE record published
2026-06-17 01:09 UTCUpdated Record last modified

advantech webaccess UPGRADE

Affected: < 8.3

Fixed in: 8.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 8.3 (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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Advantech WebAccess < 8.3 - SQL Injection

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-2017-16716?

webaccess: upgrade to 8.3. Exact commands for each OS are on this page.

Is CVE-2017-16716 being exploited?

CVE-2017-16716 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-2017-16716 affect?

CVE-2017-16716 affects webaccess. Severity is critical (CVSS 9.8). A SQL Injection issue was discovered in WebAccess versions prior to 8.3. WebAccess does not properly sanitize its inputs for SQL commands.

How urgent is CVE-2017-16716?

Priority 68/100. Critical severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Advantech vulnerabilities

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References

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