What is CVE-2021-40223?

CVE-2021-40223 is a medium-severity vulnerability in Rittal Cmc Pu Iii 7030.000, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-09.

How severe is CVE-2021-40223?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-40223 known to be exploited?

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

XSS in Rittal Cmc Pu Iii 7030.000

CVE-2021-40223

Rittal CMC PU III Web management (version V3.11.00_2) fails to sanitize user input on several parameters of the configuration (User Configuration dialog, Task Configuration dialog and set logging filter dialog). This allows an attacker to backdoor the device with HTML and browser-interpreted content (such as JavaScript or other client-side scripts). The XSS payload will be triggered when the user accesses some specific sections of the application.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

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-79 — Cross-site Scripting

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-40223?: CVE-2021-40223 is a medium-severity vulnerability in Rittal Cmc Pu Iii 7030.000, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-09.
How severe is CVE-2021-40223?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-40223 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.