THREATPORT/VULNERABILITY/CVE-2017-12708
CRITICAL SEVERITY

CVE-2017-12708

Webaccess vulnerability

CVSS
9.8
EPSS
3.4%
EPSS pct
88th
Exploited
No known
An Improper Restriction Of Operations Within The Bounds Of A Memory Buffer issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities that allow invalid locations to be referenced for the memory buffer, which may allow an attacker to execute arbitrary code or cause the system to crash.
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-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 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2017-12708

  • Confirm whether Advantech Webaccess is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-12708.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-12708

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-12708 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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