THREATPORT/VULNERABILITY/CVE-2017-12706
CRITICAL SEVERITY

CVE-2017-12706

Webaccess vulnerability

CVSS
9.8
EPSS
3.2%
EPSS pct
87th
Exploited
No known
A stack-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.
Affected vendor
Advantech
Affected product
Webaccess
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-121 — Stack-based Buffer Overflow
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-08-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2017-12706

  • Confirm whether Advantech Webaccess is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-12706.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-12706

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-12706 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2017-12706?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2017-12706.

Start free scan

No credit card. Agentless.