Security readout for executives and security teams
Plain-English summary
This issue can let an unauthenticated attacker run code on an affected October CMS site, but only in specific deployments. The risk exists when a plugin exposes October’s File::fromData upload path and lets users choose filenames. The vendor says vanilla October CMS installations are not affected. Patched versions are available.
Executive priority
Treat this as high priority for October CMS environments with custom or third-party upload plugins. The business risk is remote code execution, but the affected surface is narrower than all October CMS sites. Prioritize internet-facing systems first.
Technical view
CVE-2022-24800 is a CWE-362 race condition in October CMS temporary upload handling before 1.0.476, 1.1.12, and 2.2.15. If a plugin publicly exposes October\Rain\Database\Attach\File::fromData with user-controlled filenames, the flaw may allow unauthenticated RCE. CVSS is 8.1 with network attack vector and high complexity.
Likely exposure
Exposure is likely limited to self-hosted October CMS deployments running affected versions and using plugins that expose File::fromData as a public interface. Vanilla installations are stated as unaffected because the method is not exposed or used internally or externally by the core system.
Exploitation context
The sources describe unauthenticated RCE potential, but exploitation requires a race condition and affected plugin behavior. CVSS lists high attack complexity. CISA KEV status is false in the provided bundle, and no cited source states active exploitation.
Researcher notes
The key discriminator is plugin exposure of File::fromData with attacker-controlled filenames. Focus review on upload interfaces, temporary storage handling, and installed October versions. Do not assume all October CMS deployments are vulnerable; the advisory explicitly excludes vanilla installations.
Mitigation direction
- Upgrade October CMS to 1.0.476, 1.1.12, 2.2.15, or later.
- If upgrade is not possible, apply the vendor-provided patch manually.
- Review custom and third-party plugins for public File::fromData exposure.
- Remove user-controlled filename handling where it is not required.
- Track October CMS vendor guidance for any follow-up fixes.
Validation and detection
- Inventory October CMS versions across all self-hosted deployments.
- Identify plugins exposing October\Rain\Database\Attach\File::fromData to unauthenticated users.
- Confirm user-controlled filenames are not accepted on exposed upload paths.
- Verify the patched build or commit is present in deployed code.
- Document vanilla installations separately from plugin-exposed deployments.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-362: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-24800 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/octobercms/october/security/advisories/GHSA-8v7h-cpc2-r8jpCVE reference · x_refsource_CONFIRM
- https://github.com/octobercms/library/commit/fe569f3babf3f593be2b1e0a4ae0283506127a83CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.