What is the CVSS score of CVE-2018-19248?

CVE-2018-19248 has a CVSS 3.0 base score of 9.1 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2018-19248?

Yes, a public proof-of-concept exploit is available for CVE-2018-19248. Prioritise patching immediately. EPSS: 1.5%.

Epson Workforce Wf 2861 Firmware CVE-2018-19248

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2018-12-24 cve@mitre.org

Authentication Bypass Epson Workforce Wf 2861 Firmware

9.1

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 24, 2018 - 17:29 nvd

CRITICAL 9.1

DescriptionNVD

The web service on Epson WorkForce WF-2861 10.48 LQ22I3(Recovery-mode), WF-2861 10.51.LQ20I6, and WF-2861 10.52.LQ17IA devices allows remote attackers to upload a firmware file and reset the printer without authentication by making a request to the /DOWN/FIRMWAREUPDATE/ROM1 URI and a POST request to the /FIRMWAREUPDATE URI.

AnalysisAI

The web service on Epson WorkForce WF-2861 10.48 LQ22I3(Recovery-mode), WF-2861 10.51.LQ20I6, and WF-2861 10.52.LQ17IA devices allows remote attackers to upload a firmware file and reset the printer. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. The web service on Epson WorkForce WF-2861 10.48 LQ22I3(Recovery-mode), WF-2861 10.51.LQ20I6, and WF-2861 10.52.LQ17IA devices allows remote attackers to upload a firmware file and reset the printer without authentication by making a request to the /DOWN/FIRMWAREUPDATE/ROM1 URI and a POST request to the /FIRMWAREUPDATE URI. Affected products include: Epson Epson Workforce Wf-2861 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.