RCE in Moxa Tn-5900
CVE-2023-34213
TN-5900 Series firmware versions v3.3 and prior are vulnerable to command-injection vulnerability. This vulnerability stems from insufficient input validation and improper authentication in the key-generation function, which could potentially allow malicious users to execute remote code on affected devices.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Moxa Tn-5900
- Moxa Tn-5900 Firmware
- Moxa Tn-5900 Series — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-a… (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-34213?
- CVE-2023-34213 is a high-severity vulnerability in Moxa Tn-5900, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-08-17.
- How severe is CVE-2023-34213?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-34213 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.