No exploitation reportedFix available

CVE-2017-12711

No exploitation reported by the sources we read.

Published2017-08-30
WeaknessCWE-266

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An Incorrect Privilege Assignment issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. A built-in user account has been granted a sensitive privilege that may allow a user to elevate to administrative privileges.

Timeline

dates in UTC

2017-08-3018:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-12711?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-12711?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Advantech webaccess

Branch	Affected	Fixed in	Source
8.2	≤ 8.2	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-17-241-02 CISA1 known affected
Advantech WebAccess
WebAccess: versions prior to V8.2_20170817

Full record on NVD

Fix

Vendor fix CISA ICSA-17-241-02 · 1 productAdvantech has released a new version of WebAccess to address the reported vulnerabilities. Users can download WebAccess Version V8.2_20170817 at the following location (registration required):

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.8read 2026-10-23
NVDCVSS 2.04.6read 2026-10-23
CNAweakness (CWE)CWE-266read 2026-10-23
FIRST EPSSEPSS score0.4 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2017-08-30
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-12711?

Is CVE-2017-12711 actively exploited?

Active exploitation of CVE-2017-12711 has not been confirmed. Its EPSS score was 0.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-12711?

CVE-2017-12711 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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