CVE-2023-34215 Second Order Command-injection Vulnerability in the Certificate-generation Function

What is CVE-2023-34215?

CVE-2023-34215 is a high-severity command injection vulnerability in Moxa TN-5900 Series, published on 17 Aug 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official 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.

Weakness: CWE-77, CWE-78

Which versions are affected by CVE-2023-34215?

It affects 1 product.

Products include Moxa Tn-5900 Firmware.

How do I fix CVE-2023-34215?

No fix has been published for CVE-2023-34215 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-34215 being exploited?

There is no known exploitation of CVE-2023-34215 in the wild and no public exploit code.

Other vulnerabilities in Moxa TN-5900 Series

• CVE-2021-46560 Command injection in n/a Critical 9.8
• CVE-2023-33237 Authentication Bypass Without Administrator Privilege High 8.8
• CVE-2023-34213 Second Order Command-injection Vulnerability in the Key-generation Function High 8.8
• CVE-2021-46559 Weak cryptography in n/a High 7.5
• CVE-2023-3336 TN-5900 Series User Enumeration Vulnerability Medium 5.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9vgh-rvm2-h9w8.