CVE-2020-36048
CVSS v3
7.5
HIGH
EPSS Score
3.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
Technical details
- Published
- 2021-01-08
Frequently asked questions
What is CVE-2020-36048?
Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
Is CVE-2020-36048 actively exploited?
Active exploitation of CVE-2020-36048 has not been confirmed. Its EPSS score was 3.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-36048?
CVE-2020-36048 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-36048 affecting your environment?
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