CVE-2015-6480
The MessageBrokerServlet servlet in Moxa OnCell Central Manager before 2.2 does not require authentication, which allows remote attackers to obtain administrative access via a command, as demonstrated by the addUserAndGroup action.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The MessageBrokerServlet servlet in Moxa OnCell Central Manager before 2.2 does not require authentication, which allows remote attackers to obtain administrative access via a command, as demonstrated by the addUserAndGroup action.
- CVSS 3.0
- 8.3 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- EPSS
- 1.79% probability · 78th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- moxa/oncell central manager
- Source
- ics-cert@hq.dhs.gov
EPSS 1.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://zerodayinitiative.com/advisories/ZDI-15-452/
- https://ics-cert.us-cert.gov/advisories/ICSA-15-328-01Third Party Advisory, US Government Resource
- http://zerodayinitiative.com/advisories/ZDI-15-452/
- https://ics-cert.us-cert.gov/advisories/ICSA-15-328-01Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.