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CVE-2015-6480

21
FAUCET Score

CVE-2015-6480 describes an authentication bypass vulnerability in the MessageBrokerServlet of Moxa OnCell Central Manager versions prior to 2.2. This flaw allows unauthenticated remote attackers to gain administrative access by executing commands, such as addUserAndGroup. With a CVSS score of 8.3 (High), the vulnerability is easily exploitable over the network with low complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. While no public exploits (Metasploit, Nuclei, ExploitDB) are known and there's no evidence of active exploitation or significant community discussion, the high severity warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0CPE matchmatch criteria
cpe:2.3:a:moxa:oncell_central_manager:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.79%
Probability of exploitation in next 30 days
EPSS Percentile
76.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0179 is in the 59th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

ics-cert.us-cert.gov / advisories/ICSA-15-328-01
Third Party AdvisoryUS Government Resource
zerodayinitiative.com / advisories/ZDI-15-452