7.5

CVE-2021-33587: css-what_project css-what

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-33587DEBIAN-CVE-2021-33587GHSA-q8pj-2vqx-8ggc
Published 28-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-33587 is a high (CVSS 7.5) vulnerability in css-what_project css-what. EPSS estimates a 2.18% chance of exploitation in the next 30 days, higher than 82% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.18%
0%100%
Low · -0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
DLA-3350-1USN-6065-1

Timeline

  1. 28-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.18%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

-0.09 pp

From 2.27% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Css-what_project1 product
Debian1 product
  • node-css-what< 5.0.1-1
Netapp1 product
Npm1 product
  • css-what≥ 4.0.0, < 5.0.1
Ubuntu1 product
  • node-css-what< 2.1.0-1ubuntu0.16.04.1~esm1 | < 2.1.0-1+deb10u1build0.18.04.1 | < 3.2.1-1ubuntu0.1~esm1 | All versions (No fix recorded)

5 vendors · 5 products

References

11 links
Show all 11 references