CVE-2023-6538: System Management Unit (SMU) versions prior to 14.8.7825.01, used to manage Hitachi Vantara NAS products is susceptible to unintended information disclosure via unprivileged access to SMU configuration backup data.
Vulnerability summary
CVE-2023-6538 is a high (CVSS 7.6) Improper Authorization vulnerability in hitachi vantara system management unit (smu). EPSS estimates a 1.58% chance of exploitation in the next 30 days, higher than 75.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 11-12-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
SMU versions prior to 14.8.7825.01 are susceptible to unintended information disclosure, through URL manipulation. Authenticated users in Storage, Server or combined Server+Storage administrative roles are able to access SMU configuration backup, that would normally be barred to those specific administrative roles.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
1.58%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.58% on 23-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundHNAS SMU 14.8.7825 - Information Disclosure
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Hitachi1 product
- system_management_unit_firmware< 14.8.7825.01
Hitachi vantara1 product
- system management unit (smu)≥ 6.0, < 14.8.7825.01
2 vendors · 2 products
References
1 links- knowledge.hitachivantara.com/Security/…Vendor Advisory