CVE-2019-9102Network attack vector

Request-forgery protection bypass via predictable tokens

Published Mar 11, 2020 · Updated Aug 4, 2024

Cross-site request forgery in Moxa MGate MB3000-series firmware allows remote attackers to bypass request protections with predictable tokens. The CSRF mechanism generates its protection tokens predictably, allowing a forged request to supply a token that the device accepts. Exploitation requires interaction with a forged browser request; accepted requests can change device state with the active session's authority.

CVSS severity8.8
High
EPSS probability1.57%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Moxa MGate MB3000-series firmware allows remote attackers to bypass request protections with predictable tokens. The CSRF mechanism generates its protection tokens predictably, allowing a forged request to supply a token that the device accepts. Exploitation requires interaction with a forged browser request; accepted requests can change device state with the active session's authority.

The record

CVE
CVE-2019-9102
Published
Mar 11, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-330, CWE-352, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.8NIST NVDAV:N/AC:M/Au:N/C:P/I:P/A:P
6.5MITRECVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-330Use of Insufficiently Random Values
CWE-352Cross-Site Request Forgery
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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