CVE-2021-26625: tobesoft Nexacro arbitrary file download vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-19 · updated 2026-06-17
Weakness: CWE-345

Description

Insufficient Verification of input Data leading to arbitrary file download and execute was discovered in Nexacro platform. This vulnerability is caused by an automatic update function that does not verify input data except version information. Remote attackers can use this incomplete validation logic to download and execute arbitrary malicious file.

Affected products

TOBESOFT NEXACRO17: from 17.0.0 before 17.1.3.700 — fixed in 17.1.3.700

How to fix

Upgrade to a fixed version: TOBESOFT NEXACRO17 17.1.3.700. Check the vendor advisory for mitigations.

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66661
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66661

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