HOMEVULNERABILITIESCVE-2017-12702
HIGH

CVE-2017-12702

CWE-134Published: August 30, 2017· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

An Externally Controlled Format String issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. String format specifiers based on user provided input are not properly validated, which could allow an attacker to execute arbitrary code.

NVD Source

Technical Analysis

CVE-2017-12702 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

advantech1 product(s)
webaccess
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/100526
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-17-241-02
ADVISORYhttp://www.securityfocus.com/bid/100526
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-17-241-02

All References (4)

→
http://www.securityfocus.com/bid/100526Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/100526Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2017-12702
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-134
CISA KEVNo
Affected1 vendor(s)
PublishedAug 30, 2017

Related CVEs (CWE-134)

CVE-2011-1568
10.0
CVE-2006-3573
10.0
CVE-2010-1039
10.0
CVE-2008-3116
10.0
CVE-2005-3656
10.0
CVE-2006-3628
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-12702 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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