Security readout for executives and security teams
Plain-English summary
Some Xerox WorkCentre multifunction printers had an authenticated remote command execution flaw before firmware R18-05 073.xxx.0487.15000. An attacker with valid access could potentially run commands on affected devices. The source bundle does not show active exploitation or public exploit details.
Executive priority
Treat this as a high-priority legacy printer remediation item. Remote command execution on embedded office devices can support persistence or lateral movement, but available sources indicate authentication is required and do not show known active exploitation.
Technical view
CVE-2018-20767 affects listed Xerox WorkCentre 3655/3655i, 58XX/58XXi, 59XX/59XXi, 6655/6655i, 72XX/72XXi, 78XX/78XXi, 7970/7970i, EC7836, and EC7856 devices before R18-05 073.xxx.0487.15000. The described impact is authenticated remote command execution. No CVSS, CWE, or technical vector is provided.
Likely exposure
Exposure is limited to organizations running the named Xerox WorkCentre models on firmware before R18-05 073.xxx.0487.15000, especially where remote management or device services are reachable by users with credentials.
Exploitation context
The CVE source states the issue is authenticated remote command execution. The bundle does not indicate CISA KEV listing, active exploitation, exploit availability, attack vector details, or required privilege level beyond authentication.
Researcher notes
Evidence is sparse: the CVE description identifies affected models, a fixed firmware threshold, and authenticated RCE, but lacks CVSS, CWE, endpoint details, exploit status, and root cause. Avoid assuming unauthenticated exposure or broader Xerox product impact.
Mitigation direction
- Inventory Xerox WorkCentre models named in the CVE.
- Upgrade affected devices to R18-05 073.xxx.0487.15000 or later.
- Review the Xerox security bulletin for model-specific instructions.
- Restrict remote access to printer management interfaces.
- Audit and rotate privileged printer credentials where appropriate.
Validation and detection
- Confirm each device model and firmware version.
- Compare firmware against R18-05 073.xxx.0487.15000.
- Check whether affected devices are reachable from untrusted networks.
- Review authentication logs for unusual administrative access.
- Verify remediation guidance against Xerox documentation.
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
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CVE-2018-20767 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://securitydocs.business.xerox.com/wp-content/uploads/2018/07/cert_Security_Mini_Bulletin_XRX18Y_for_ConnectKey_EC78xx_v1.0.pdfCVE reference · x_refsource_CONFIRM
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.