Local privilege escalation via DLL search hijacking
Published Nov 29, 2021 · Updated Sep 16, 2024
DLL hijacking in Acronis Cyber Protect 15 before build 28035 allows local users to gain elevated privileges on Windows systems. Acronis identifies an uncontrolled DLL search path but has not disclosed the affected executable, loading routine, or attacker-writable location. Exploitation requires local access and user interaction to place or invoke a crafted DLL, after which an elevated process executes attacker-controlled code.
Summary
What happened
DLL hijacking in Acronis Cyber Protect 15 before build 28035 allows local users to gain elevated privileges on Windows systems. Acronis identifies an uncontrolled DLL search path but has not disclosed the affected executable, loading routine, or attacker-writable location. Exploitation requires local access and user interaction to place or invoke a crafted DLL, after which an elevated process executes attacker-controlled code.
The record
- CVE
- CVE-2021-44198
- Published
- Nov 29, 2021
- Updated
- Sep 16, 2024
- Vendor
- Acronis
- Product
- Acronis Cyber Protect 15
- Classifications
- CWE-427, T1574.001
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Nov 29, 2021CVE publishedPublication date reported by the CVE source.
- Sep 16, 2024Record 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=unspecified <28035
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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