CVE-2021-29452
Apache a12n-server Unauthenticated User Privilege Escalation
Description
a12n-server is an npm package which aims to provide a simple authentication system. A new HAL-Form was added to allow editing users in version 0.18.0. This feature should only have been accessible to admins. Unfortunately, privileges were incorrectly checked allowing any logged in user to make this change. Patched in v0.18.2.
INFO
Published Date :
April 16, 2021, 10:15 p.m.
Last Modified :
Nov. 21, 2024, 6:01 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-29452 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-2021-29452.
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).
None
Python Batchfile Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-29452 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29452 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/curveball/a12n-server/security/advisories/GHSA-8hw9-22v6-9jr9 Added Reference https://www.npmjs.com/package/%40curveball/a12n-server -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://www.npmjs.com/package/%40curveball/a12n-server [No types assigned] Removed Reference GitHub, Inc. https://www.npmjs.com/package/@curveball/a12n-server -
Reanalysis by [email protected]
Aug. 03, 2022
Action Type Old Value New Value Added CWE NIST CWE-863 -
Initial Analysis by [email protected]
Apr. 22, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://github.com/curveball/a12n-server/security/advisories/GHSA-8hw9-22v6-9jr9 No Types Assigned https://github.com/curveball/a12n-server/security/advisories/GHSA-8hw9-22v6-9jr9 Third Party Advisory Changed Reference Type https://www.npmjs.com/package/@curveball/a12n-server No Types Assigned https://www.npmjs.com/package/@curveball/a12n-server Product, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:curveballjs:a12n-server:*:*:*:*:*:node.js:*:* versions from (including) 0.18.0 up to (excluding) 0.18.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-29452 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-2021-29452
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.25 }} -0.23%
score
0.45219
percentile