HIGH
CVE-2019-5137
CWE-321Published: February 25, 2020· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
The usage of hard-coded cryptographic keys within the ServiceAgent binary allows for the decryption of captured traffic across the network from or to the Moxa AWK-3131A firmware version 1.13.
Technical Analysis
CVE-2019-5137 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), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
moxa2 product(s)
awk-3131a firmwareawk-3131a
Source: NVD CPE · 2 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
All References (2)
→
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0926Exploit · Technical Description · Third Party Advisory
→
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0926Exploit · Technical Description · Third Party Advisory
Quick Facts
CVE IDCVE-2019-5137
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-321
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 25, 2020
Related CVEs (CWE-321)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-5137 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.