HOMEVULNERABILITIESCVE-2019-6543
CRITICALPOC

CVE-2019-6543

CWE-306Published: February 13, 2019· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

AVEVA Software, LLC InduSoft Web Studio prior to Version 8.1 SP3 and InTouch Edge HMI (formerly InTouch Machine Edition) prior to Version 2017 Update. Code is executed under the program runtime privileges, which could lead to the compromise of the machine.

NVD Source

Technical Analysis

CVE-2019-6543 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2019-6543. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

aveva2 product(s)
indusoft web studiointouch machine edition 2014
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (6)

https://ics-cert.us-cert.gov/advisories/ICSA-19-036-01Third Party Advisory · US Government Resource
https://www.exploit-db.com/exploits/46342/Exploit · Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-036-01Third Party Advisory · US Government Resource
https://www.exploit-db.com/exploits/46342/Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2019-6543
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-306
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedFeb 13, 2019

Related CVEs (CWE-306)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-6543 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.