CVE-2021-46846Network attack vector

Authenticated browser-session compromise via undisclosed cross-site scripting

Published Nov 3, 2022 · Updated May 2, 2025

Cross-site scripting in HPE Integrated Lights-Out 5 before 2.44 allows remote authenticated users to execute script in a victim's browser. HPE has not published the affected web-interface locus or the input-neutralization error that permits script injection. Exploitation requires high-privileged access and user interaction and can expose or alter data in the victim's browser session.

CVSS severity6.4
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in HPE Integrated Lights-Out 5 before 2.44 allows remote authenticated users to execute script in a victim's browser. HPE has not published the affected web-interface locus or the input-neutralization error that permits script injection. Exploitation requires high-privileged access and user interaction and can expose or alter data in the victim's browser session.

The record

CVE
CVE-2021-46846
Published
Nov 3, 2022
Updated
May 2, 2025
Vendor
Hewlett Packard Enterprise (HPE)
Product
HPE Integrated Lights-Out 5
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Nov 3, 2022CVE publishedPublication date reported by the CVE source.
  2. May 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Prior to 2.44

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Hewlett Packard Enterprise (HPE) · HPE Integrated Lights-Out 5version=Prior to 2.44

Published CVSS scores

6.4Hewlett Packard Enterprise (HPE)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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