What is CVE-2021-40222?

CVE-2021-40222 is a high-severity vulnerability in Rittal Cmc Pu Iii 7030.000, classified under OS Command Injection. CVSS score: 7.2/10. Published 2021-09-09.

How severe is CVE-2021-40222?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2021-40222 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Rittal Cmc Pu Iii 7030.000

CVE-2021-40222

Rittal CMC PU III Web management Version affected: V3.11.00_2. Version fixed: V3.17.10 is affected by a remote code execution vulnerablity. It is possible to introduce shell code to create a reverse shell in the PU-Hostname field of the TCP/IP Configuration dialog. Web application fails to sanitize user input on Network TCP/IP configuration page. This allows the attacker to inject commands as root on the device which will be executed once the data is received.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Rittal Cmc_pu_iii_7030.000 — versions 3.00
Rittal Cmc_pu_iii_7030.000_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40222?: CVE-2021-40222 is a high-severity vulnerability in Rittal Cmc Pu Iii 7030.000, classified under OS Command Injection. CVSS score: 7.2/10. Published 2021-09-09.
How severe is CVE-2021-40222?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-40222 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.