CVE-2021-29152Network attack vector

Authenticated service interruption via undisclosed web flaw

Published Jul 8, 2021 · Updated Aug 3, 2024

ClearPass Policy Manager before 6.10.0 allows remote authenticated users to interrupt normal system operation through its web interface. HPE has not published the affected request, handler, or resource operation in the web management interface. Exploitation requires high-privilege authentication and affects availability without reported data disclosure or modification.

CVSS severity4.9
Medium
EPSS probability1.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

ClearPass Policy Manager before 6.10.0 allows remote authenticated users to interrupt normal system operation through its web interface. HPE has not published the affected request, handler, or resource operation in the web management interface. Exploitation requires high-privilege authentication and affects availability without reported data disclosure or modification.

The record

CVE
CVE-2021-29152
Published
Jul 8, 2021
Updated
Aug 3, 2024
Vendor
Hewlett Packard Enterprise (HPE)
Product
HPE Aruba Networking ClearPass Policy Manager
Classifications
T1499.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 8, 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 6.10.0, 6.9.6 and 6.8.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Hewlett Packard Enterprise (HPE) · HPE Aruba Networking ClearPass Policy Managerversion=Prior to 6.10.0, 6.9.6 and 6.8.9

Published CVSS scores

4.9Hewlett Packard Enterprise (HPE)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
6.1Hewlett Packard Enterprise (HPE)AV:N/AC:L/Au:M/C:N/I:N/A:C

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Endpoint Denial of Service: Application or System Exploitation

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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