Lenovo XClarity Controller (XCC)
CVE-2021-3473
An internal product security audit of Lenovo XClarity Controller (XCC) discovered that the XCC configuration backup/restore password may be written to an internal XCC log buffer if Lenovo XClarity Administrator (LXCA) is used to perform the backup/restore. The backup/restore password typically exists in this internal log buffer for less than 10 minutes before being overwritten. Generating an FFDC service log will include the log buffer contents, including the backup/restore password if present. The FFDC service log is only generated when requested by a privileged XCC user and it is only acc...
Affected versions (NVD)
| Product | Versions |
|---|---|
| xclarity_controller | 6.00_cdi370q |
| xclarity_controller | 1.10_tgbt12q |
| xclarity_controller | 2.14_psi338i |
| xclarity_controller | 4.40_tei3b2p |
What to do
NVD gives no version range for this CVE yet, so this page cannot name an update version. Read the vendor advisory for the fixed firmware.
Vendor advisory (from the NVD record): support.lenovo.com/us/en/product_security/LEN-52117 · support.lenovo.com/us/en/product_security/LEN-52117.
Do you run it?
Paste your BMC's Redfish answers into the Redfish Inspector: it compares the firmware version with the NVD ranges, in your browser. Or scan every BMC with the free scan.
Source: NVD CVE-2021-3473. PWX for XClarity Controller
Run it on your own fleet
PWX Discover is free: the scan reads your fleet and lists what to fix, on your machine. PWX Monitor keeps watching every layer, from the tenant to the power rail, with attack paths and alerts in your SIEM. PWX Protect acts on the BMC. Start with a pilot.