Missing authorization on secret endpoints in Moxa AIG-302 Series
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
A missing authorization flaw (CWE-862) in the internal API /api/v1/secrets/ of some Moxa industrial computing products lets a low-privileged authenticated user access sensitive information. An attacker with adjacent network access can use it to read confidential data, including cryptographic key material. Moxa AIG-302 Series versions 1.0.0 through 1.4.0 are affected.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
A missing authorization vulnerability exists in the internal API `/api/v1/secrets/` of some of Moxa's industrial computing products. A low-privileged authenticated attacker with adjacent network access could exploit this vulnerability to access sensitive information, potentially resulting in the disclosure of confidential data, including cryptographic key material.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Moxa AIG-302 Series users should update to version 1.4.1, which is listed as the fixed version.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA AIG-302 Series (Moxa) Fixed in 1.4.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Moxa AIG-302 Series — moxa.com/en/support/product-support/security-advisory/mpsa-…
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-75117 Hard-coded root CA private key in Moxa AIG-302 SeriesPriority LOW 36
Timeline
- 2026-10-16 Threatist record created from CVE-2026-109812
- 2026-10-16 Priority changed: MEDIUM → LOW
- 2026-10-16 CISA SSVC decision points changed
References
More Moxa vulnerabilities
- TI-2021-17455 Hard-coded credentials in Moxa MXView Series CVSS 3.1CRITICAL 9.8
- TI-2010-04465 Stack-based buffer overflow in a certain ActiveX control in MediaDBPlayback.DLL 2.2.0.5… CVSS 2.0HIGH 10.0
- TI-2022-19087 A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008… CVSS 3.1HIGH 7.5
- TI-2016-07634 Missing brute-force protection in Moxa NPort CVSS 3.1CRITICAL 9.8
- TI-2021-17457 Cleartext transmission of sensitive information in Moxa MXView Series CVSS 3.1HIGH 7.5
- TI-2022-19326 Information disclosure in Moxa SDS-3008 Series Industrial Ethernet Switch CVSS 3.1MEDIUM 5.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences