CVE-2021-29487

Authentication bypass in Octobercms

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.68% Top 30%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: octobercms october
Published at:
Updated at:

References

Link Tags
https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 third party advisory patch
https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 third party advisory patch
https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-29487?
CVE-2021-29487 has been scored as a high severity vulnerability.
How to fix CVE-2021-29487?
To fix CVE-2021-29487, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-29487 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-29487 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-29487?
CVE-2021-29487 affects octobercms october.
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