Critical severity · published Aug 17, 2023
CVE-2023-34215
Second Order Command-injection Vulnerability in the Certificate-generation Function
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
TN-5900 Series firmware versions v3.3 and prior are vulnerable to the command-injection vulnerability. This vulnerability stems from insufficient input validation and improper authentication in the certification-generation function, which could potentially allow malicious users to execute remote code on affected devices.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TS
TN-5900 Series · Moxa
1.0 through 3.3 · source: vendor
TF
Tn-5900 Firmware · Moxa
through 3.3 · source: NVD
TN
Tn-5900 · Moxa
1.0 through 3.3 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-34215
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-34215
Patch
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities
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