CVE-2021-33587
Ubuntu Security Notice USN-6065-1
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
El paquete css-what versión 4.0.0 hasta la versión 5.0.0 para Node.js no asegura que el análisis sintáctico de atributos tenga una complejidad de tiempo lineal en relación con el tamaño de la entrada
It was discovered that css-what incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-05-27 CVE Reserved
- 2021-05-28 CVE Published
- 2024-08-03 CVE Updated
- 2025-07-07 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20210706-0007 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/fb55/css-what/releases/tag/v5.0.1 | 2023-03-03 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Css-what Project Search vendor "Css-what Project" | Css-what Search vendor "Css-what Project" for product "Css-what" | 4.0.0 Search vendor "Css-what Project" for product "Css-what" and version "4.0.0" | node.js |
Affected
| ||||||
| Css-what Project Search vendor "Css-what Project" | Css-what Search vendor "Css-what Project" for product "Css-what" | 5.0.0 Search vendor "Css-what Project" for product "Css-what" and version "5.0.0" | node.js |
Affected
| ||||||
| Netapp Search vendor "Netapp" | E-series Performance Analyzer Search vendor "Netapp" for product "E-series Performance Analyzer" | - | - |
Affected
| ||||||