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CVE Record

CVE-2019-20460: An issue was discovered on Epson Expression Home XP255 20.08.FM10I8 devices.

An issue was discovered on Epson Expression Home XP255 20.08.FM10I8 devices. POST requests don't require (anti-)CSRF tokens or other mechanisms for validating that the request is from a legitimate source. In addition, CSRF attacks can be used to send text directly to the RAW printer interface. For example, an attack could deliver a worrisome printout to an end user.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE describes a CSRF weakness in Epson Expression Home XP255 firmware 20.08.FM10I8. A victim who visits attacker-controlled content could cause the printer to receive unintended POST requests, including text sent to the RAW printer interface. The visible business impact may be alarming or unauthorized printouts, with broader impact scored high by CVSS.

Executive priority

Treat this as a targeted printer exposure issue, not a confirmed enterprise-wide incident. Prioritize environments with shared printers reachable from user workstations, especially offices where unexpected printouts could disrupt operations or erode trust.

Technical view

The issue is CWE-352: POST requests lack anti-CSRF tokens or equivalent request-origin validation. The CVSS 3.1 score is 8.8, with adjacent attack vector, low complexity, no privileges, and required user interaction. The source specifically names Epson Expression Home XP255 20.08.FM10I8; structured affected-product metadata is incomplete.

Likely exposure

Exposure is most relevant where affected Epson XP255 printers are reachable from user workstations or browsers on trusted or local networks. The bundle does not establish internet exposure, fleet prevalence, or other Epson models as affected.

Exploitation context

The source describes CSRF attacks that can send text directly to the RAW printer interface. There is no KEV listing and no cited evidence of active exploitation in the supplied bundle.

Researcher notes

The record is sparse: affected CPEs are not populated, and the Epson reference contents are not summarized in the bundle. Avoid broad product claims beyond Epson Expression Home XP255 20.08.FM10I8 unless vendor guidance confirms scope.

Mitigation direction

  • Review Epson support guidance for product-specific remediation or firmware advice.
  • Inventory Epson Expression Home XP255 devices and record firmware versions.
  • Restrict printer web and RAW interfaces to trusted management networks.
  • Segment printers from general user browsing environments where practical.
  • Monitor printer events for unexpected jobs or configuration changes.

Validation and detection

  • Identify any Epson Expression Home XP255 devices running firmware 20.08.FM10I8.
  • Confirm whether normal user workstations can reach printer web or RAW interfaces.
  • Review device behavior for missing CSRF protections on POST-based actions.
  • Check print logs for unexpected RAW jobs or unusual submission patterns.
  • Compare device firmware and configuration against Epson guidance.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-352: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookup
cve · low confidence lookup

CVE-2019-20460 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.1HighCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H2.16Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2019-20460Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-352 · source CWE mapping

Cross-Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.