HOMEVULNERABILITIESCVE-2015-6481
HIGH

CVE-2015-6481

NVD-CWE-OtherPublished: December 21, 2015· Updated: Jun 17, 2026

8.3
CVSS v3.1

Official Description

The login function in the RequestController class in Moxa OnCell Central Manager before 2.2 has a hardcoded root password, which allows remote attackers to obtain administrative access via a login session.

NVD Source

Technical Analysis

CVE-2015-6481 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.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Affected Vendors & Products

moxa1 product(s)
oncell central manager
Source: NVD CPE · 1 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

ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-15-328-01
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-15-328-01

All References (4)

→
http://zerodayinitiative.com/advisories/ZDI-15-453/
→
https://ics-cert.us-cert.gov/advisories/ICSA-15-328-01Third Party Advisory · US Government Resource
→
http://zerodayinitiative.com/advisories/ZDI-15-453/
→
https://ics-cert.us-cert.gov/advisories/ICSA-15-328-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2015-6481
CVSS Score8.3 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedDec 21, 2015

Related CVEs (NVD-CWE-Other)

CVE-1999-1046
10.0
CVE-2000-0244
10.0
CVE-2000-0848
10.0
CVE-2001-0746
10.0
CVE-2001-0098
10.0
CVE-1999-0944
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-6481 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.
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