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HIGH

CVE-2020-36049

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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