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CVE-2023-46802

MEDIUM
5.5
CVSS Score
Published: November 6, 2023 at 01:25 AM UTC
Updated: June 17, 2026 at 06:31 AM UTC
2 products affected across 2 vendorsE TaxE Tax

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

e-Tax software Version3.0.10 and earlier improperly restricts XML external entity references (XXE) due to the configuration of the embedded XML parser. By processing a specially crafted XML file, arbitrary files on the system may be read by an attacker.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

E Tax· Nta
95%
v ≤ 3.0.10
E Tax· National Tax Agency
60%
v ≤ 3.0.10

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN14762986/
Product
Source: [email protected]
https://www.e-tax.nta.go.jp/topics/topics_20231102.htm

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-611

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