RCE in Fujitsu Eternus Cs8000

CVE-2022-31795

An issue was discovered on Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices before 8.1A SP02 P04. The vulnerability resides in the grel_finfo function in grel.php. An attacker is able to influence the username (user), password (pw), and file-name (file) parameters and inject special characters such as semicolons, backticks, or command-substitution sequences in order to force the application to execute arbitrary commands.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.028 (85.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-31795?
CVE-2022-31795 is a critical-severity vulnerability in Fujitsu Eternus Cs8000, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-06-20.
How severe is CVE-2022-31795?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-31795 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.