8.6
HIGH
CVE-2021-21246
OneDev Access Token Sensitive Data Leak
Description

OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, the REST UserResource endpoint performs a security check to make sure that only administrators can list user details. However for the `/users/{id}` endpoint there are no security checks enforced so it is possible to retrieve arbitrary user details including their Access Tokens! These access tokens can be used to access the API or clone code in the build spec via the HTTP(S) protocol. It has permissions to all projects accessible by the user account. This issue may lead to `Sensitive data leak` and leak the Access Token which can be used to impersonate the administrator or any other users. This issue was addressed in 4.0.3 by removing user info from restful api.

INFO

Published Date :

Jan. 15, 2021, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 5:47 a.m.

Remotely Exploitable :

Yes !

Impact Score :

4.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-21246 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Onedev_project onedev
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-2021-21246.

URL Resource
https://github.com/theonedev/onedev/commit/a4491e5f79dc6cc96eac20972eedc8905ddf6089 Patch Third Party Advisory
https://github.com/theonedev/onedev/security/advisories/GHSA-66v7-gg85-f4gx Third Party Advisory
https://github.com/theonedev/onedev/commit/a4491e5f79dc6cc96eac20972eedc8905ddf6089 Patch Third Party Advisory
https://github.com/theonedev/onedev/security/advisories/GHSA-66v7-gg85-f4gx Third Party Advisory

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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-21246 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21246 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/theonedev/onedev/commit/a4491e5f79dc6cc96eac20972eedc8905ddf6089
    Added Reference https://github.com/theonedev/onedev/security/advisories/GHSA-66v7-gg85-f4gx
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 21, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://github.com/theonedev/onedev/commit/a4491e5f79dc6cc96eac20972eedc8905ddf6089 No Types Assigned https://github.com/theonedev/onedev/commit/a4491e5f79dc6cc96eac20972eedc8905ddf6089 Patch, Third Party Advisory
    Changed Reference Type https://github.com/theonedev/onedev/security/advisories/GHSA-66v7-gg85-f4gx No Types Assigned https://github.com/theonedev/onedev/security/advisories/GHSA-66v7-gg85-f4gx Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:onedev_project:onedev:*:*:*:*:*:*:*:* versions up to (excluding) 4.0.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21246 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-2021-21246 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.28 }} -0.02%

score

0.67829

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability