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CVE-2019-18249

21
FAUCET Score

CVE-2019-18249 is a cross-site scripting (XSS) vulnerability affecting Reliable Controls MACH-ProWebCom/Sys devices running firmware versions prior to 8.26.4. This medium-severity flaw (CVSS 6.1) allows an unauthenticated attacker to execute commands on behalf of an authenticated user if they click a malicious link. While the attack complexity is low, it requires user interaction and could lead to limited confidentiality and integrity impacts. There is no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.26.4CPE matchmatch criteria
cpe:2.3:o:reliablecontrols:mach-prowebsys_firmware:*:*:*:*:*:*:*:*
< 8.26.4CPE matchmatch criteria
cpe:2.3:o:reliablecontrols:mach-prowebcom_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0084 is in the 63rd percentile among its peer group of 26,220 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

us-cert.gov / ics/advisories/icsa-19-353-04
PatchThird Party AdvisoryUS Government Resource