Security readout for executives and security teams
Plain-English summary
Certain Canon office multifunction and laser printers can be crashed or potentially taken over by someone on the same network segment. The issue is critical because it requires no login or user interaction and can affect confidentiality, integrity, and availability of the device.
Executive priority
Treat as high-priority remediation for affected fleets, especially shared office networks. The business risk is disruption of printing services and possible device compromise from internal network access, even without stolen credentials.
Technical view
CVE-2023-6229 is a CWE-787 buffer overflow in the CPCA PDL Resource Download process. Canon lists affected regional product families on firmware v03.07 and earlier. CVSS v3.1 is 9.8 with network attack vector, low complexity, no privileges, and no user interaction.
Likely exposure
Exposure is limited to the named Canon Satera, Color imageCLASS, imageCLASS X, i-SENSYS, C1333P, and C1333i models running firmware v03.07 or earlier and reachable from an attacker’s network segment.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates a network-reachable, unauthenticated path that may make exploitation attractive where affected printers are exposed to broad internal networks.
Researcher notes
Evidence supports critical severity and unauthenticated network reachability, but the provided sources do not include exploit telemetry, proof-of-concept details, or a specific fixed firmware version. Avoid assuming broader Canon product impact beyond the named models.
Mitigation direction
- Inventory Canon printer models and firmware versions against the affected regional lists.
- Follow the relevant Canon regional advisory for firmware update or remediation guidance.
- Restrict printer access to trusted management and print networks only.
- Block unnecessary cross-segment access to printer services where business operations allow.
Validation and detection
- Confirm whether any listed Canon models are deployed in Japan, US, or Europe environments.
- Record each device firmware version and flag v03.07 or earlier.
- Verify printers are not reachable from guest, user, or untrusted network segments.
- Review Canon advisory pages for current remediation details before closing the finding.
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-787: 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 lookupCVE-2023-6229 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/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:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://psirt.canon/advisory-information/cp2024-001/CVE reference · vendor-advisory
- https://canon.jp/support/support-info/240205vulnerability-responseCVE reference · vendor-advisory
- https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Vulnerability-Measure-Against-Buffer-Overflow-for-Laser-Printers-and-Small-Office-Multifunctional-PrintersCVE reference · vendor-advisory
- https://www.canon-europe.com/support/product-security-latest-news/CVE reference · vendor-advisory
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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.