7.5

CVE-2020-36049: socket socket.io-parser

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-36049DEBIAN-CVE-2020-36049GHSA-xfhh-g9f5-x4m4
Published 07-01-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-36049 is a high (CVSS 7.5) vulnerability in socket socket.io-parser. EPSS estimates a 2.67% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.67%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 07-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.67%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

+0.08 pp

From 2.59% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (blog.caller.xyz)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • node-socket.io-parser< 3.4.1-1
Npm1 product
  • socket.io-parser< 3.3.2 | ≥ 3.4.0, < 3.4.1
Socket1 product
Ubuntu1 product
  • node-socket.io-parserAll versions (No fix recorded)

4 vendors · 4 products

References

11 links
Show all 11 references