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CVE-2019-6554

21
FAUCET Score

CVE-2019-6554 is an improper access control vulnerability affecting Advantech WebAccess/SCADA versions 8.3.5 and prior. This flaw allows an unauthenticated attacker to remotely cause a denial-of-service condition with low attack complexity. While rated with a CVSS score of 7.5 (HIGH), indicating a significant impact on availability, there is no evidence of active exploitation in the wild. No public exploit code, such as Metasploit or ExploitDB modules, is available, and community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.3.5CPE matchmatch criteria
cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 55th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ics-cert.us-cert.gov / advisories/ICSA-19-092-01
Third Party AdvisoryUS Government Resource