SYSTEM privilege escalation via updater executable swap
Published Nov 8, 2024 · Updated Nov 3, 2025
TOCTOU race condition in HASOMED Elefant Software Updater before 1.4.2.1811 allows local users to gain SYSTEM privileges during repair. The update service copies PostESUUpdate.exe or Update_OpenJava.exe into the user-writable C:\Elefant1 directory, then executes the file as SYSTEM without ensuring that it is unchanged. Local low-privileged access and initiation of the update or repair window are required; a successful executable swap runs attacker-controlled code with full system privileges.
Summary
What happened
TOCTOU race condition in HASOMED Elefant Software Updater before 1.4.2.1811 allows local users to gain SYSTEM privileges during repair. The update service copies PostESUUpdate.exe or Update_OpenJava.exe into the user-writable C:\Elefant1 directory, then executes the file as SYSTEM without ensuring that it is unchanged. Local low-privileged access and initiation of the update or repair window are required; a successful executable swap runs attacker-controlled code with full system privileges.
The record
- CVE
- CVE-2024-50592
- Published
- Nov 8, 2024
- Updated
- Nov 3, 2025
- Vendor
- HASOMED GmbH
- Product
- Elefant Software Updater
- Classifications
- CWE-367, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Nov 8, 2024CVE publishedPublication date reported by the CVE source.
- Nov 3, 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=0 <1.4.2.1811
- Affected versionversion=<1.4.2.1811
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
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
- SEC Consult updater race proof of conceptfunctional · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
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