Account Takeover in Octobercms

CRITICAL 9.1EXPLOITED (CISA KEV)CVE-2021-32648 · GHSA-mxr5-mc97-63rc · Published 26/08/2021 · updated 17/06/2026

October CMS Improper Authentication. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 18/01/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
october/system Packagist	`≥ 1.1.1, < 1.1.5< 1.0.472`	`1.1.51.0.472`
october octobercms	`= 1.0.471≥ 1.1.1, < 1.1.5`	`1.1.5`

Description

Impact

An attacker can request an account password reset and then gain access to the account using a specially crafted request.

To exploit this vulnerability, an attacker must know the username of an administrator and have access to the password reset form.

Patches

Issue has been patched in Build 472 and v1.1.5
Shortened patch instructions

Workarounds

Apply https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 and https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 to your installation manually if you are unable to upgrade.

[Update 2022-01-20] Shortened patch instructions can be found here.

Recommendations

We recommend the following steps to make sure your server stays secure:

Keep server OS and system software up to date.
Keep October CMS software up to date.
Use a multi-factor authentication plugin.
Change the default backend URL or block public access to the backend area.
Include the Roave/SecurityAdvisories Composer package to ensure that your application doesn't have installed dependencies with known security vulnerabilities.

References

Bugs found as part of Solar Security CMS Research. Credits to: • Andrey Basarygin • Andrey Guzei • Mikhail Khramenkov • Alexander Sidukov • Maxim Teplykh

For more information

If you have any questions or comments about this advisory:

Email us at [email protected]

NVD description

octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can request an account password reset and then gain access to the account using a specially crafted request. The issue has been patched in Build 472 and v1.1.5.

References

octobercms/october security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2021-32648 · ADVISORY
octobercms/library commit 016a297 · WEB
octobercms/library commit 5bd1a28 · WEB
octobercms/october · PACKAGE
cisa.gov/known-exploited-vulnerabilities-catalog · WEB
CISA KEV · CVE-2021-32648

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Package

Affected versions

Patched versions

october/system

Packagist

≥ 1.1.1, < 1.1.5< 1.0.472

1.1.51.0.472

october

octobercms

= 1.0.471≥ 1.1.1, < 1.1.5

1.1.5

Description

Impact

An attacker can request an account password reset and then gain access to the account using a specially crafted request.

To exploit this vulnerability, an attacker must know the username of an administrator and have access to the password reset form.

Patches

Issue has been patched in Build 472 and v1.1.5
Shortened patch instructions

Workarounds

[Update 2022-01-20] Shortened patch instructions can be found here.

Recommendations

We recommend the following steps to make sure your server stays secure:

Keep server OS and system software up to date.
Keep October CMS software up to date.
Use a multi-factor authentication plugin.
Change the default backend URL or block public access to the backend area.
Include the Roave/SecurityAdvisories Composer package to ensure that your application doesn't have installed dependencies with known security vulnerabilities.

References

Bugs found as part of Solar Security CMS Research. Credits to: • Andrey Basarygin • Andrey Guzei • Mikhail Khramenkov • Alexander Sidukov • Maxim Teplykh

For more information

If you have any questions or comments about this advisory:

Email us at [email protected]

NVD description