CVE-2021-29142Network attack vector

Administrator browser script execution via stored payload

Published Apr 29, 2021 · Updated Aug 3, 2024

Stored XSS in HPE Aruba Networking ClearPass Policy Manager before 6.9.5, 6.8.9, or 6.7.14-HF1 allows remote authenticated users to run script. The vendor identifies the web-based administration interface but does not disclose the affected field, handler, or missing output-encoding operation. Exploitation requires high-privilege access and an administrative user to view the stored content, which executes script in that user's browser within the interface's context.

CVSS severity8.4
High
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in HPE Aruba Networking ClearPass Policy Manager before 6.9.5, 6.8.9, or 6.7.14-HF1 allows remote authenticated users to run script. The vendor identifies the web-based administration interface but does not disclose the affected field, handler, or missing output-encoding operation. Exploitation requires high-privilege access and an administrative user to view the stored content, which executes script in that user's browser within the interface's context.

The record

CVE
CVE-2021-29142
Published
Apr 29, 2021
Updated
Aug 3, 2024
Vendor
Hewlett Packard Enterprise (HPE)
Product
HPE Aruba Networking ClearPass Policy Manager
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 29, 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

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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 6.9.5, 6.8.9, 6.7.14-HF1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Hewlett Packard Enterprise (HPE) · HPE Aruba Networking ClearPass Policy Managerversion=Prior to 6.9.5, 6.8.9, 6.7.14-HF1

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
8.4Hewlett Packard EnterpriseCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

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')
T1059.007JavaScript/JScript

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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