How severe is CVE-2021-28132?

CVE-2021-28132 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-28132 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28132?

CVE-2021-28132 affects Lucysecurity Security Awareness. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28132?

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

When was CVE-2021-28132 published?

CVE-2021-28132 was published on 2021-03-11 and last updated on 2026-06-17.

CVE-2021-28132

CVE-2021-28132 is a critical-severity vulnerability in Lucysecurity Security Awareness with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Lucysecurity Security Awareness
Published: 2021-03-11
Last modified: 2026-06-17

Description

LUCY Security Awareness Software through 4.7.x allows unauthenticated remote code execution because the Migration Tool (in the Support section) allows upload of .php files within a system.tar.gz file. The .php file becomes accessible with a public/system/static URI.

Frequently asked questions

What is CVE-2021-28132?: LUCY Security Awareness Software through 4.7.x allows unauthenticated remote code execution because the Migration Tool (in the Support section) allows upload of .php files within a system.tar.gz file. The .php file becomes accessible with a public/system/static URI.
How severe is CVE-2021-28132?: CVE-2021-28132 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-28132 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28132?: CVE-2021-28132 affects Lucysecurity Security Awareness. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28132?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-28132 published?: CVE-2021-28132 was published on 2021-03-11 and last updated on 2026-06-17.

References

https://abuyv.com/cve/lucy-file-upload-RCE

Affected products (1)

cpe:2.3:a:lucysecurity:security_awareness:*:*:*:*:*:*:*:*

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