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HIGH

CVE-2021-40660

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in Delight Nashorn Sandbox 0.2.0. There is an ReDoS vulnerability that can be exploited to launching a denial of service (DoS) attack.

Technical details

Published
2022-06-14

Frequently asked questions

What is CVE-2021-40660?

An issue was discovered in Delight Nashorn Sandbox 0.2.0. There is an ReDoS vulnerability that can be exploited to launching a denial of service (DoS) attack.

Is CVE-2021-40660 actively exploited?

Active exploitation of CVE-2021-40660 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-40660?

CVE-2021-40660 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-40660 affecting your environment?

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