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CVE-2018-19248: Epson Workforce Wf 2861 Firmware: Authentication bypass
CVE-2018-19248 is rated critical with a CVSS v3.0 base score of 9.1 and NVD lists Epson Workforce Wf 2861 Firmware as the affected product. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
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.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: None. No loss of confidentiality.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-306: Missing Authentication for Critical Functionality
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Affected products
- Epson Workforce Wf 2861 Firmware: 10.48_lq22i3; 10.51.lq20i6; 10.52.lq17ia