CVE-2021-38244
CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
Technical details
- Published
- 2021-12-16
Frequently asked questions
What is CVE-2021-38244?
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
Is CVE-2021-38244 actively exploited?
Active exploitation of CVE-2021-38244 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-38244?
CVE-2021-38244 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-38244 affecting your environment?
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