CVE-2023-2538
Last modified
CVE-2023-2538 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tyan | S5552\/S5552wgm4nr-Ex Firmware | 3.0.0 |
| Tyan | S5552\/S5552wgm4nr Firmware | 3.0.0 |
| Tyan | S5552\/S5552gm4nr Firmware | 3.0.0 |
| Tyan | S5552\/S5552gm2nr Firmware | 3.0.0 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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