What is the CVSS score of CVE-2020-11956?

CVE-2020-11956 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.6%.

Is there a public PoC exploit available for CVE-2020-11956?

Yes, a public proof-of-concept exploit is available for CVE-2020-11956. Prioritise patching immediately. EPSS: 1.6%.

Cmciii Pu 9333E0Fb Firmware CVE-2020-11956

CRITICAL

Improper Privilege Management (CWE-269)

2020-07-14 cve@mitre.org

Privilege Escalation Cmciii Pu 9333E0Fb Firmware Pdu 3C002Dec Firmware Cmc Iii Pu 7030 000 Firmware Lcp Cw Firmware Iot Interface 3124 300

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 14, 2020 - 14:15 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

An issue was discovered on Rittal PDU-3C002DEC through 5.17.10 and CMCIII-PU-9333E0FB through 3.17.10 devices. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. 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. Affected products include: Rittal Cmciii-Pu-9333E0Fb Firmware, Rittal Pdu-3C002Dec Firmware, Rittal Cmc Iii Pu 7030.000 Firmware, Rittal Lcp-Cw Firmware, Rittal Iot Interface 3124.300. Version information: through 5.17.10.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.