CVE-2023-2538

TLS Private Key Accessible to External Parties

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.

Category

5.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory nozominetworks.com
Affected: tyan s5552_bmc
Published at:
Updated at:

References

Link Tags
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-2538?
CVE-2023-2538 has been scored as a medium severity vulnerability.
How to fix CVE-2023-2538?
To fix CVE-2023-2538, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-2538 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-2538 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-2538?
CVE-2023-2538 affects tyan s5552_bmc.
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