How severe is CVE-2021-29147?

CVE-2021-29147 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-29147 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29147?

CVE-2021-29147 primarily affects Arubanetworks Clearpass. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-29147?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-29147 published?

CVE-2021-29147 was published on 2021-04-29 and last updated on 2026-06-17.

CVE-2021-29147

CVE-2021-29147 is a high-severity vulnerability in Arubanetworks Clearpass with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Arubanetworks Clearpass
Published: 2021-04-29
Last modified: 2026-06-17

Description

A remote arbitrary command execution vulnerability was discovered in Aruba ClearPass Policy Manager version(s) prior to 6.9.5, 6.8.9, 6.7.14-HF1. Aruba has released patches for Aruba ClearPass Policy Manager that address this security vulnerability.

Frequently asked questions

What is CVE-2021-29147?: A remote arbitrary command execution vulnerability was discovered in Aruba ClearPass Policy Manager version(s) prior to 6.9.5, 6.8.9, 6.7.14-HF1. Aruba has released patches for Aruba ClearPass Policy Manager that address this security vulnerability.
How severe is CVE-2021-29147?: CVE-2021-29147 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29147 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29147?: CVE-2021-29147 primarily affects Arubanetworks Clearpass. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-29147?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-29147 published?: CVE-2021-29147 was published on 2021-04-29 and last updated on 2026-06-17.

References

https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-009.txt

Affected products (2)

cpe:2.3:a:arubanetworks:clearpass:*:*:*:*:*:*:*:*
cpe:2.3:a:arubanetworks:clearpass:6.7.14:-:*:*:*:*:*:*

More vulnerabilities in Arubanetworks Clearpass

CVE-2014-6626 — Critical (CVSS 10.0): Aruba Networks ClearPass before 6.3.6 and 6.4.x before 6.4.1 does not properly restrict access to unspecified…
CVE-2014-5342 — Critical (CVSS 10.0): Aruba Networks ClearPass before 6.3.5 and 6.4.x before 6.4.1 allows remote attackers to execute arbitrary commands via…
CVE-2021-29145 — Critical (CVSS 9.8): A remote server side request forgery (SSRF) remote code execution vulnerability was discovered in Aruba ClearPass…
CVE-2020-7114 — Critical (CVSS 9.8): A vulnerability exists allowing attackers, when present in the same network segment as ClearPass' management interface,…
CVE-2016-4401 — Critical (CVSS 9.8): Aruba ClearPass Policy Manager before 6.5.7 and 6.6.x before 6.6.2 allows attackers to obtain database credentials.
CVE-2016-2034 — Critical (CVSS 9.8): SQL injection vulnerability in ClearPass Policy Manager 6.5.x through 6.5.6 and 6.6.0.

All CVEs affecting Arubanetworks Clearpass →

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