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CVE-2019-5140

27
FAUCET Score

CVE-2019-5140 is a high-severity command injection vulnerability affecting Moxa AWK-3131A firmware version 1.13. An authenticated, low-privilege attacker can exploit a flaw in the iwwebs functionality by crafting a malicious diagnostic script file name, leading to remote code execution via an iwsystem call. With a CVSS score of 8.8 (High), this vulnerability allows for complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed in CISA's KEV catalog, and it has received minimal community or media attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.13CPE matchmatch criteria
cpe:2.3:o:moxa:awk-3131a_firmware:1.13:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.91%
Probability of exploitation in next 30 days
EPSS Percentile
85.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0291 is in the 84th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

talosintelligence.com / vulnerability_reports/TALOS-2019-0929
Third Party Advisory