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CVE-2021-32648

97
FAUCET Score

CVE-2021-32648 is a critical account takeover vulnerability affecting October CMS (october/system package) versions prior to Build 472 and v1.1.5. An unauthenticated attacker can exploit this flaw by initiating a password reset and then using a specially crafted request to gain unauthorized access to user accounts. With a CVSS score of 9.1 (Critical), this vulnerability allows for complete compromise of confidentiality and integrity with no user interaction required. This CVE is actively exploited in the wild, as confirmed by its presence in CISA's KEV catalog, and has garnered significant community attention and media coverage, including its use in attacks against Ukrainian government websites.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.1.1, < 1.1.5CPE matchmatch criteria
cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:*
1.0.471CPE matchmatch criteria
cpe:2.3:a:octobercms:october:1.0.471:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
90.31%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Jan 18, 2022
Nuclei: CVE-2021-32648 · Sep 19, 2025
This CVE's current EPSS score of 0.9031 is in the 99th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: october/systemFixed in: 1.0.472
composerpatch availablevia ghsa
Product: october/systemFixed in: 1.1.5
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-mxr5-mc97-63rchigh

Account Takeover in Octobercms

Aug 30, 2021

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
github.com / octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374
Patch
github.com / octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9
Patch
github.com / octobercms/october/security/advisories/GHSA-mxr5-mc97-63rc
PatchVendor Advisory