HIGH

CVE-2021-3328

CVSS v3

7.5

HIGH

EPSS Score

1.8 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-3328 yet.

Full record on NVD

Description

An issue was discovered in Aprelium Abyss Web Server X1 2.12.1 and 2.14. A crafted HTTP request can lead to an out-of-bounds read that crashes the application.

Technical details

Published: 2021-04-08

Frequently asked questions

What is CVE-2021-3328?

An issue was discovered in Aprelium Abyss Web Server X1 2.12.1 and 2.14. A crafted HTTP request can lead to an out-of-bounds read that crashes the application.

Is CVE-2021-3328 actively exploited?

Active exploitation of CVE-2021-3328 has not been confirmed. Its EPSS score was 1.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-3328?

CVE-2021-3328 has a CVSS v3 base score of 7.5 (HIGH severity).

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