What is CVE-2020-11956?

CVE-2020-11956 is a critical-severity vulnerability in Rittal Cmc Iii Pu 7030.000, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2020-07-14.

How severe is CVE-2020-11956?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Privilege escalation in Rittal Cmc Iii Pu 7030.000

CVE-2020-11956

An issue was discovered on Rittal PDU-3C002DEC through 5.17.10 and CMCIII-PU-9333E0FB through 3.17.10 devices. There is a least privilege violation.

Vulnerability class: Privilege Escalation

Published 2020-07-14 · last modified 2026-06-17.

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: 0.016 (75.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

sec-consult.com/en/blog/advisories/multiple-critical-vulnerabilities-in-multipl… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-11956?: CVE-2020-11956 is a critical-severity vulnerability in Rittal Cmc Iii Pu 7030.000, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2020-07-14.
How severe is CVE-2020-11956?: Critical severity. CVSS v3 base score is 9.8 out of 10.