CVE-2023-4452 json
Web Server Buffer Overflow Vulnerability
published 2023-11-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54311
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.
Patch / fix
- moxa edr-g903_firmware 5.7.21
- moxa edr-g903-t_firmware 5.7.21
- moxa edr-g902_firmware 5.7.21
- moxa edr-g902-t_firmware 5.7.21
- moxa edr-810-vpn-2gsfp_firmware 5.12.29
- moxa edr-810-vpn-2gsfp-t_firmware 5.12.29
- moxa edr-810-2gsfp_firmware 5.12.29
- moxa edr-810-2gsfp-t_firmware 5.12.29
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Moxa EDR-810 Series
- Moxa EDR G902 Series
- Moxa EDR G903 Series
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
Sources
- CVE List CVE-2023-4452
- NVD CVE-2023-4452
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