RCE in Fujitsu Eternus Cs8000
CVE-2022-31794
An issue was discovered on Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices before 8.1A SP02 P04. The vulnerability resides in the requestTempFile function in hw_view.php. An attacker is able to influence the unitName POST parameter 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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.031 · change: +0.001
Affected products
- Fujitsu Eternus Cs8000
- Fujitsu Eternus Cs8000 Firmware — versions 8.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cwe.mitre.org/data/definitions/78.html (Third Party Advisory)
- support.ts.fujitsu.com/ProductSecurity/content/Fujitsu-PSIRT-PSS-IS-2022-050316… (Vendor Advisory)
- research.nccgroup.com/2022/05/27/technical-advisory-fujitsu-centricstor-control… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-31794?
- CVE-2022-31794 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-2022-31794?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-31794 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.