What is the CVSS score of CVE-2022-28620?

CVE-2022-28620 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: 1.5%.

Slingshot Firmware CVE-2022-28620

CRITICAL

2022-06-24 security-alert@hpe.com

Authentication Bypass Slingshot Firmware Cray Ex Supercomputers Firmware Cray Sh Supercomputer Air Cooled Base System Code Firmware Cray Sh Supercomputer Liquid Cooled Base System Code Firmware Cray Sh Supercomputer Liquid Cooled Tds Base System Code Firmware Hpe

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 1.5% exploitation probability (EPSS)

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AnalysisAI

A remote authentication bypass vulnerability was discovered in HPE Cray Legacy Shasta System Solutions; HPE Slingshot; and HPE Cray EX supercomputers versions: Prior to node controller firmware. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

A remote authentication bypass vulnerability was discovered in HPE Cray Legacy Shasta System Solutions; HPE Slingshot; and HPE Cray EX supercomputers versions: Prior to node controller firmware associated with HPE Cray EX liquid cooled blades, and all versions of chassis controller firmware associated with HPE Cray EX liquid cooled cabinets prior to 1.6.27/1.5.33/1.4.27; All Slingshot versions prior to 1.7.2; All versions of node controller firmware associated with HPE Cray EX liquid cooled blades, and all versions of chassis controller firmware associated with HPE Cray EX liquid cooled cabinets prior to 1.6.27/1.5.33/1.4.27. HPE has provided a software update to resolve this vulnerability in HPE Cray Legacy Shasta System Solutions, HPE Slingshot, and HPE Cray EX Supercomputers. Affected products include: Hpe Slingshot Firmware, Hpe Cray Ex Supercomputers Firmware, Hpe Cray Sh Supercomputer Air Cooled Base System Code Firmware, Hpe Cray Sh Supercomputer Liquid Cooled Base System Code Firmware, Hpe Cray Sh Supercomputer Liquid Cooled Tds Base System Code Firmware. Version information: prior to 1.6.27.

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Exploit and PoC references, threat intelligence from 22 sources

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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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

A remote authentication bypass vulnerability was discovered in HPE Cray Legacy Shasta System Solutions; HPE Slingshot; and HPE Cray EX supercomputers versions: Prior to node controller firmware associated with HPE Cray EX liquid cooled blades, and all versions of chassis controller firmware associated with HPE Cray EX liquid cooled cabinets prior to 1.6.27/1.5.33/1.4.27; All Slingshot versions prior to 1.7.2; All versions of node controller firmware associated with HPE Cray EX liquid cooled blades, and all versions of chassis controller firmware associated with HPE Cray EX liquid cooled cabinets prior to 1.6.27/1.5.33/1.4.27. HPE has provided a software update to resolve this vulnerability in HPE Cray Legacy Shasta System Solutions, HPE Slingshot, and HPE Cray EX Supercomputers.

Threat Intelligence Overview

EPSS Score

1.5%

Top 29% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 1.5%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +49

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:o:hpe:slingshot_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_ex_supercomputers_firmware:1.4.27:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_ex_supercomputers_firmware:1.5.33:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_ex_supercomputers_firmware:1.6.27:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_air_cooled_base_system_code_firmware:1.4.27:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_air_cooled_base_system_code_firmware:1.5.33:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_air_cooled_base_system_code_firmware:1.6.27:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_liquid_cooled_base_system_code_firmware:1.4.27:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_liquid_cooled_base_system_code_firmware:1.5.33:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_liquid_cooled_base_system_code_firmware:1.6.27:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_liquid_cooled_tds_base_system_code_firmware:1.4.27:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_liquid_cooled_tds_base_system_code_firmware:1.5.33:*:*:*:*:*:*:*

cpe:2.3:o:hpe:cray_sh_supercomputer_liquid_cooled_tds_base_system_code_firmware:1.6.27:*:*:*:*:*:*:*

Same technique Authentication Bypass

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References

Advisories & patches

ADVISORY https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbcr04284en_us

Search Externally

GitHub PoC

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