High severity · published May 28, 2021
CVE-2021-33587
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
7.5
CVSS
2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Css-what · Css-what Project
4.0.0; 5.0.0 · source: NVD
EP
E-series Performance Analyzer · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33587
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33587
Patch
https://github.com/fb55/css-what/releases/tag/v5.0.1
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210706-0007/
More from Css-what
7.5
CVE-2022-21222
Regular Expression Denial of Service (ReDoS)