High severity · published Nov 1, 2023
CVE-2023-4452
Web Server Buffer Overflow Vulnerability
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EG
EDR G902 Series · Moxa
1.0 through 5.7.20 · source: vendor
EG
EDR G903 Series · Moxa
1.0 through 5.7.20 · source: vendor
ES
EDR-810 Series · Moxa
1.0 through 5.12.28 · source: vendor
EF
Edr-810-2gsfp Firmware · Moxa
before 5.12.29 · source: NVD
EF
Edr-810-2gsfp-t Firmware · Moxa
before 5.12.29 · source: NVD
EF
Edr-810-vpn-2gsfp Firmware · Moxa
before 5.12.29 · source: NVD
EF
Edr-810-vpn-2gsfp-t Firmware · Moxa
before 5.12.29 · source: NVD
EF
Edr-g902 Firmware · Moxa
before 5.7.21 · source: NVD
EF
Edr-g902-t Firmware · Moxa
before 5.7.21 · source: NVD
EF
Edr-g903 Firmware · Moxa
before 5.7.21 · source: NVD
EF
Edr-g903-t Firmware · Moxa
before 5.7.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4452
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4452
Vendor Advisory
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-234880-edr-810-g902-g903-series-web-server-buffer-overflow-vulnerability
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