CVE-2021-32648 — October CMS Improper Authentication

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

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
octobercms	october	>= 1.0.471, < 1.0.472, >= 1.1.1, < 1.1.5

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-01-18. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2021-08-26T19:00:12.000Z
• Last modified: 2025-10-21T23:25:36.099Z
• Added to CISA KEV: 2022-01-18
• BOD 22-01 due: 2022-02-01

09References

• github.com — https://github.com/octobercms/october/security/advisories/GHSA-mxr5-mc97-63rc
• github.com — https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3…
• github.com — https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3…