CVE-2021-40894
CVSS v3
7.5
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in underscore-99xp v1.7.2 when the deepValueSearch function is called.
Technical details
- Published
- 2022-06-24
Frequently asked questions
What is CVE-2021-40894?
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in underscore-99xp v1.7.2 when the deepValueSearch function is called.
Is CVE-2021-40894 actively exploited?
Active exploitation of CVE-2021-40894 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-40894?
CVE-2021-40894 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-40894 affecting your environment?
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