CVSS v3
7.5
HIGH
EPSS Score
2.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.
Technical details
- Published
- 2021-01-08
Frequently asked questions
What is CVE-2020-36049?
socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.
Is CVE-2020-36049 actively exploited?
Active exploitation of CVE-2020-36049 has not been confirmed. Its EPSS score was 2.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-36049?
CVE-2020-36049 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-36049 affecting your environment?
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