What is the CVSS score of CVE-2023-3263?

CVE-2023-3263 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.6%.

Iboot Pdu4 N20 Firmware CVE-2023-3263

HIGH

Authentication Bypass by Alternate Name (CWE-289)

2023-08-14 trellixpsirt@trellix.com

Authentication Bypass Iboot Pdu4 N20 Firmware Iboot Pdu4Sa N15 Firmware Iboot Pdu4A N15 Firmware Iboot Pdu4Sa N20 Firmware Iboot Pdu4A N20 Firmware Iboot Pdu8Sa N15 Firmware Iboot Pdu8A N15 Firmware Iboot Pdu8Sa 2N15 Firmware Iboot Pdu8A 2N15 Firmware Iboot Pdu8Sa N20 Firmware Iboot Pdu8A N20 Firmware Iboot Pdu8A 2N20 Firmware Iboot Pdu4 C20 Firmware Iboot Pdu4A C10 Firmware Iboot Pdu4Sa C10 Firmware Iboot Pdu8A C10 Firmware Iboot Pdu8Sa C10 Firmware Iboot Pdu8A 2C20 Firmware Iboot Pdu4Sa C20 Firmware Iboot Pdu4A C20 Firmware Iboot Pdu8A 2C10 Firmware Iboot Pdu8A C20 Firmware Dataprobe

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-289 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Alternate name authentication
Impact	CVSS score of 7.5 (HIGH). 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 high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to authentication bypass in the REST API due to the mishandling of special characters when parsing. Rated high severity (CVSS 7.5), 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

This vulnerability is classified under CWE-289. The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to authentication bypass in the REST API due to the mishandling of special characters when parsing credentials.Successful exploitation allows the malicious agent to obtain a valid authorization token and read information relating to the state of the relays and power distribution. Affected products include: Dataprobe Iboot-Pdu4A-C10 Firmware, Dataprobe Iboot-Pdu4A-C20 Firmware, Dataprobe Iboot-Pdu4A-N15 Firmware, Dataprobe Iboot-Pdu4A-N20 Firmware, Dataprobe Iboot-Pdu4-C20 Firmware. Version information: version 1.43.03312023.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

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

None

Availability

None

DescriptionNVD

The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to authentication bypass in the REST API due to the mishandling of special characters when parsing credentials.Successful exploitation allows the malicious agent to obtain a valid authorization token and read information relating to the state of the relays and power distribution.

Threat Intelligence Overview

EPSS Score

0.6%

Top 54% 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 HIGH

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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: +38

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:dataprobe:iboot-pdu4a-c10_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4a-c20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4a-n15_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4a-n20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4-c20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4-n20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4sa-c10_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4sa-c20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4sa-n15_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu4sa-n20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-2c10_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-2c20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-2n15_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-2n20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-c10_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-c20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-n15_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8a-n20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8sa-2n15_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dataprobe:iboot-pdu8sa-c10_firmware:*:*:*:*:*:*:*:*

+ 2 more

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References

Advisories & patches

ADVISORY https://www.trellix.com/en-us/about/newsroom/stories/research/the-threat-lurking-in-data-centers.html

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GitHub PoC

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