CVE-2024-9044: XML External Entity (XXE) Vulnerability in EasyTax

Description

A XML External Entity (XXE) vulnerability has been identified in Easy Tax Client Software 2023 1.2 and earlier across multiple platforms, including Windows, Linux, and macOS.

Scores

CVSS scores of CVE-2024-9044, by who scored it
Scored by	CVSS	Score	Vector
NCSC.chCNA (assigner)	4.0	Medium4.6	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:L/SI:N/SA:L
NVDNVD · Deferred	4.0	Medium4.6	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (exploitation in 30 days): 0.20% · top 90% of all CVEs (6 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.

Weakness

CWE-611 Improper Restriction of XML External Entity Reference (opens in a new tab)All about CWE-611 and its CVEs
CWE-827 Improper Control of Document Type Definition (opens in a new tab)All about CWE-827 and its CVEs

Affected products

msg Suisse AG · EasyTax
- affected 2023 – ≤ 1.2
- affected 2022 – ≤ 1.3
- affected <= 2021 – ≤ *

References (1)

https://www.ag.ch/de/verwaltung/dfr/steuern/natuerliche-personen/steuererklaerung-easytax (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2024-9044](https://trackcve.app/badge/CVE-2024-9044.svg)](https://trackcve.app/cve/CVE-2024-9044)

Record last updated 29 Nov 2024, 13:43 UTC.