6.5

CVE-2018-21270: nodejs node.js Out-of-bounds Read

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-21270DEBIAN-CVE-2018-21270GHSA-mf6x-7mm4-x2g7
Published 03-12-2020Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-21270 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in nodejs node.js. EPSS estimates a 3.68% chance of exploitation in the next 30 days, higher than 89.5% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
3.68%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 03-12-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Versions less than 0.0.6 of the Node.js stringstream module are vulnerable to an out-of-bounds read because of allocation of uninitialized buffers when a number is passed in the input stream (when using Node.js 4.x).

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.68%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.68% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.68%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (npmjs.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • node-stringstream< 0.0.6-1
Nodejs1 product
Npm1 product
  • stringstream< 0.0.6
Ubuntu1 product
  • node-stringstreamAll versions (No fix recorded)

4 vendors · 4 products

References

8 links