Security readout for executives and security teams
Plain-English summary
This CVE describes a Host header injection issue in Canon Oce Print Exec Workgroup 1.3.2. In plain terms, the application may trust a caller-supplied website name, which can affect links, redirects, or security decisions. The public bundle gives no severity score, confirmed exploitation, or vendor fix details.
Executive priority
Prioritize discovery first. Business urgency cannot be scored from the supplied evidence, but internet-exposed print-management services should be reviewed promptly because no fix status is documented here.
Technical view
The record identifies Host header injection in Canon Oce Print Exec Workgroup 1.3.2. No CVSS, CWE, affected CPEs, patch version, or mitigation details are provided in the supplied sources. The exact vulnerable endpoint, preconditions, and impact are not established from the bundle.
Likely exposure
Exposure is limited to environments running Canon Oce Print Exec Workgroup 1.3.2. The supplied evidence does not establish whether other Canon or Oce products, versions, or configurations are affected.
Exploitation context
The CVE is not listed as KEV in the bundle, and no supplied source confirms active exploitation. The GitHub reference indicates public vulnerability research exists, but the bundle does not provide enough evidence to assess exploit maturity.
Researcher notes
Evidence is sparse. The public record names the product and vulnerability class only. Avoid assuming endpoint details, exploitability, authentication requirements, or remediation until vendor guidance or the linked research content is reviewed in detail.
Mitigation direction
- Identify whether Canon Oce Print Exec Workgroup 1.3.2 is deployed.
- Check Canon or support guidance for patches, configuration changes, or compensating controls.
- Restrict access to trusted networks while vendor guidance is confirmed.
- Review reverse proxy host allow-listing options if already supported.
Validation and detection
- Inventory deployed Canon Oce Print Exec Workgroup versions.
- Determine whether the application is reachable from untrusted networks.
- Review logs for unusual Host values or suspicious generated links.
- Track vendor advisories for confirmed affected versions and fixes.
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.
CVE-2021-39367 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/IthacaLabs/Canon/tree/main/OCE_Print_Exec_Workgroup_Version_1_3_2/HHICVE 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.