CVE-2021-25948
Expand-Hash Prototype Pollution Remote Command Execution
Description
Prototype pollution vulnerability in 'expand-hash' versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.
INFO
Published Date :
June 10, 2021, 12:15 p.m.
Last Modified :
Nov. 21, 2024, 5:55 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Public PoC/Exploit Available at Github
CVE-2021-25948 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-25948.
| URL | Resource |
|---|---|
| https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19 | Exploit Third Party Advisory |
| https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948 | Exploit Third Party Advisory |
| https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19 | Exploit Third Party Advisory |
| https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948 | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-25948 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-25948
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Automatic monitor github cve using Github Actions
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-25948 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-25948 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19 Added Reference https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jun. 28, 2022
Action Type Old Value New Value Changed CWE CWE-915 CWE-1321 -
Modified Analysis by [email protected]
Sep. 20, 2021
Action Type Old Value New Value Removed CWE NIST NVD-CWE-Other Added CWE NIST CWE-915 -
CVE Modified by [email protected]
Jun. 28, 2021
Action Type Old Value New Value Changed Description Prototype pollution vulnerability in ‘expand-hash’ versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution. Prototype pollution vulnerability in 'expand-hash' versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution. -
Initial Analysis by [email protected]
Jun. 18, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19 No Types Assigned https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19 Exploit, Third Party Advisory Changed Reference Type https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948 No Types Assigned https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948 Exploit, Third Party Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:expand-hash_project:expand-hash:*:*:*:*:*:*:*:* versions from (including) 0.1.0 up to (including) 1.0.1
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.95 }} -6.51%
score
0.85234
percentile