CVE-2021-29487
October CMS Laravel Authentication Bypass
Description
octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can exploit this vulnerability to bypass authentication and takeover of and user account on an October CMS server. The vulnerability is exploitable by unauthenticated users via a specially crafted request. This only affects frontend users and the attacker must obtain a Laravel secret key for cookie encryption and signing in order to exploit this vulnerability. The issue has been patched in Build 472 and v1.1.5.
INFO
Published Date :
Aug. 26, 2021, 7:15 p.m.
Last Modified :
Nov. 21, 2024, 6:01 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Public PoC/Exploit Available at Github
CVE-2021-29487 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-2021-29487.
| URL | Resource |
|---|---|
| https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 | Patch Third Party Advisory |
| https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 | Patch Third Party Advisory |
| https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5 | Patch Third Party Advisory |
| https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 | Patch Third Party Advisory |
| https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 | Patch Third Party Advisory |
| https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5 | Patch 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-2021-29487 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-2021-29487
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).
Patch your code for October CMS Auth Bypass CVE-2021-32648
PHP
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-29487 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29487 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/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 Added Reference https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 Added Reference https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Aug. 02, 2022
Action Type Old Value New Value Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
Sep. 01, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Changed Reference Type https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 No Types Assigned https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 Patch, Third Party Advisory Changed Reference Type https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 No Types Assigned https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 Patch, Third Party Advisory Changed Reference Type https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5 No Types Assigned https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5 Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:* versions from (including) 1.0.471 up to (excluding) 1.0.472 *cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:* versions from (including) 1.1.1 up to (excluding) 1.1.5
Vulnerability Scoring Details
Base CVSS Score: 7.4
Base CVSS Score: 5.8
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.50 }} -0.18%
score
0.65091
percentile