Skip to main content

Integrated Lights Out 5 Firmware CVE-2023-50272

CRITICAL
Authentication Bypass Using an Alternate Path or Channel (CWE-288)
2023-12-19 security-alert@hpe.com
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Alternate path authentication
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 0.6% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A potential security vulnerability has been identified in HPE Integrated Lights-Out 5 (iLO 5) and Integrated Lights-Out 6 (iLO 6). 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

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-288. A potential security vulnerability has been identified in HPE Integrated Lights-Out 5 (iLO 5) and Integrated Lights-Out 6 (iLO 6). The vulnerability could be remotely exploited to allow authentication bypass. Affected products include: Hpe Integrated Lights-Out 5 Firmware, Hpe Integrated Lights-Out 6 Firmware.

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 potential security vulnerability has been identified in HPE Integrated Lights-Out 5 (iLO 5) and Integrated Lights-Out 6 (iLO 6). The vulnerability could be remotely exploited to allow authentication bypass.

Threat Intelligence Overview

EPSS Score
0.6%
Top 55% exploitable
Data Quality
2 sources
Confidence: Low

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 0.6%
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

50
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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:integrated_lights-out_5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hpe:integrated_lights-out_6_firmware:*:*:*:*:*:*:*:*
CVE-2022-28640 HIGH
8.8 Sep 20

A potential local adjacent arbitrary code execution vulnerability that could potentially lead to a loss of confidentiali

CVE-2022-28639 HIGH
8.8 Sep 20

A remote potential adjacent denial of service (DoS) and potential adjacent arbitrary code execution vulnerability that c

CVE-2022-28632 HIGH
8.8 Aug 12

A potential arbitrary code execution and a denial of service (DoS) vulnerability within an isolated process were discove

CVE-2022-28631 HIGH
8.8 Aug 12

A potential arbitrary code execution and a denial of service (DoS) vulnerability within an isolated process were discove

CVE-2018-7093 HIGH
8.6 Aug 14

A security vulnerability in HPE Integrated Lights-Out 3 prior to v1.90, iLO 4 prior to v2.60, iLO 5 prior to v1.30, Moon

CVE-2022-28628 HIGH
8.4 Aug 12

A local arbitrary code execution vulnerability was discovered in HPE Integrated Lights-Out 5 (iLO 5) firmware version(s)

CVE-2022-28627 HIGH
8.4 Aug 12

A local arbitrary code execution vulnerability was discovered in HPE Integrated Lights-Out 5 (iLO 5) firmware version(s)

CVE-2019-11982 HIGH
8.3 Jun 05

A remote cross site scripting vulnerability was identified in HPE Integrated Lights-Out 4 (iLO 4) earlier than v2.61b fo

CVE-2022-28638 HIGH
7.8 Sep 20

An isolated local disclosure of information and potential isolated local arbitrary code execution vulnerability that cou

CVE-2022-28637 HIGH
7.8 Sep 20

A local Denial of Service (DoS) and local arbitrary code execution vulnerability that could potentially lead to a loss o

CVE-2022-28629 HIGH
7.8 Aug 12

A local arbitrary code execution vulnerability was discovered in HPE Integrated Lights-Out 5 (iLO 5) firmware version(s)

CVE-2023-30911 HIGH
7.5 Oct 18

HPE Integrated Lights-Out 5, and Integrated Lights-Out 6 using iLOrest may cause denial of service. Rated high severity

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy