Vulnerability Description
A CWE-552 "Files or Directories Accessible to External Parties” in the web interface of the Tyan S5552 BMC version 3.00 allows an unauthenticated remote attacker to retrieve the private key of the TLS certificate in use by the BMC via forced browsing. This can then be abused to perform Man-in-the-Middle (MitM) attacks against victims that access the web interface through HTTPS.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tyan | S5552\/S5552Wgm4Nr-Ex Firmware | 3.0.0 |
| Tyan | S5552\/S5552Wgm4Nr-Ex | - |
| Tyan | S5552\/S5552Wgm4Nr Firmware | 3.0.0 |
| Tyan | S5552\/S5552Wgm4Nr | - |
| Tyan | S5552\/S5552Gm4Nr Firmware | 3.0.0 |
| Tyan | S5552\/S5552Gm4Nr | - |
| Tyan | S5552\/S5552Gm2Nr Firmware | 3.0.0 |
| Tyan | S5552\/S5552Gm2Nr | - |
Related Weaknesses (CWE)
References
- https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/Third Party Advisory
- https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/Third Party Advisory
FAQ
What is CVE-2023-2538?
CVE-2023-2538 is a vulnerability with a CVSS score of 5.8 (MEDIUM). A CWE-552 "Files or Directories Accessible to External Parties” in the web interface of the Tyan S5552 BMC version 3.00 allows an unauthenticated remote attacker to retrieve the private key of the TLS...
How severe is CVE-2023-2538?
CVE-2023-2538 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-2538?
Check the references section above for vendor advisories and patch information. Affected products include: Tyan S5552\/S5552Wgm4Nr-Ex Firmware, Tyan S5552\/S5552Wgm4Nr-Ex, Tyan S5552\/S5552Wgm4Nr Firmware, Tyan S5552\/S5552Wgm4Nr, Tyan S5552\/S5552Gm4Nr Firmware.