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CVE-2021-32648

Account Takeover in Octobercms

8.2 HighIn KEVPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
Low
Availability
None

Exploit likelihood

91.1%Up 90.3 points since Aug 27, 2021
90%50%10%1%

What each source reports

CVE List Score used 8.2

Account Takeover in Octobercms

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.

Record
CVE-2021-32648
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Weakness
CWE-287
Updated
2026-11-02
EUVDEUVD-2021-1808 8.2

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.

Record
EUVD-2021-1808
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-mxr5-mc97-63rc 8.2

Account Takeover in Octobercms

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

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:

Record
GHSA-mxr5-mc97-63rc
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:H
Weakness
CWE-287
Updated
2026-11-02
CISA KEV No score

October CMS Improper Authentication

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.

Record
CVE-2021-32648
Weakness
CWE-287
Updated
2026-11-02
NVD 8.2

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.

Record
CVE-2021-32648
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0
6.4 MediumAV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness
CWE-287
Updated
2026-11-02
OSV 9.1

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.

Record
CVE-2021-32648
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVGHSA-mxr5-mc97-63rc 8.2

Account Takeover in Octobercms

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

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:

Record
GHSA-mxr5-mc97-63rc
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:H
Weakness
CWE-287
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
october/system
Packagist
before 1.0.472
1.0.472
october/system
Packagist
1.1.1 up to 1.1.5
1.1.5
october/system
Packagist
before 1.0.472, plus listed versions
v1.0.319v1.0.320v1.0.321v1.0.322v1.0.323
Show 45 moreShow less
v1.0.324v1.0.325v1.0.326v1.0.327v1.0.328v1.0.329v1.0.330v1.0.331v1.0.332v1.0.333v1.0.334v1.0.335v1.0.336v1.0.337v1.0.338v1.0.339v1.0.340v1.0.341v1.0.342v1.0.343v1.0.344v1.0.345v1.0.346v1.0.347v1.0.348v1.0.349v1.0.350v1.0.351v1.0.352v1.0.353v1.0.354v1.0.355v1.0.356v1.0.357v1.0.358v1.0.359v1.0.360v1.0.361v1.0.362v1.0.363v1.0.364v1.0.365v1.0.366v1.0.367v1.0.368
1.0.472
october/system
Packagist
1.1.1 up to 1.1.5, plus listed versions
v1.1.1v1.1.2v1.1.3v1.1.4
1.1.5

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubImmersive-Labs-Sec/CVE-2021-326482022-01-14
PoC in GitHubdaftspunk/CVE-2021-326482022-01-20
NucleiOctoberCMS - Account Takeover

History

History
RecordedChangedSources
exploitation, exploits
first indexedCVE List, EUVD, GitHub Advisories, CISA KEV, Nuclei, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-32648 is a high vulnerability (CVSS 8.2) in October Cms Cms, published August 26, 2021. CISA lists it as known to be exploited, since January 18, 2022. EUVD reports exploitation since January 18, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 91.1%, the 99th percentile. Fixed in october/system 1.0.472.

References

This page doesn't list everything

Left out here: 103 versions. The JSON record has them.

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