CVE-2021-29206Network attack vector

Authenticated content modification via script injection

Published May 25, 2021 · Updated Aug 3, 2024

Cross-site scripting in HPE iLO 4 before 2.78 and iLO 5 before 2.44 allows remote authenticated users to modify rendered web content. HPE has not published the affected parameter, handler, or precise failure to neutralize untrusted input in the iLO web interface. The attack requires privileged iLO credentials and victim interaction, with the published impact limited to low-integrity modification.

CVSS severity3.1
Low
EPSS probability0.65%
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 iLO 4 before 2.78 and iLO 5 before 2.44 allows remote authenticated users to modify rendered web content. HPE has not published the affected parameter, handler, or precise failure to neutralize untrusted input in the iLO web interface. The attack requires privileged iLO credentials and victim interaction, with the published impact limited to low-integrity modification.

The record

CVE
CVE-2021-29206
Published
May 25, 2021
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 25, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.1Hewlett Packard EnterpriseCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L
3.2Hewlett Packard EnterpriseAV:N/AC:H/Au:M/C:N/I:P/A:P

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

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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