File disclosure via external entity resolution
Published May 3, 2022 · Updated Apr 16, 2025
XXE in project-file parsing in Delta Electronics DMARS before 2.1.10.24 allows remote attackers to read files through crafted input. Across four project-file handlers, the XML parser resolves a supplied external-entity URI and embeds the retrieved content into the parsed document. Exploitation requires the target to open a malicious file or visit a malicious page, and disclosure is limited to files readable by the DMARS process.
Summary
What happened
XXE in project-file parsing in Delta Electronics DMARS before 2.1.10.24 allows remote attackers to read files through crafted input. Across four project-file handlers, the XML parser resolves a supplied external-entity URI and embeds the retrieved content into the parsed document. Exploitation requires the target to open a malicious file or visit a malicious page, and disclosure is limited to files readable by the DMARS process.
The record
- CVE
- CVE-2022-1331
- Published
- May 3, 2022
- Updated
- Apr 16, 2025
- Vendor
- Delta Electronics, Inc.
- Product
- DMARS
- Classifications
- CWE-611, T1005
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 3, 2022CVE publishedPublication date reported by the CVE source.
- Apr 16, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=All versions <v2.1.10.24
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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