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CVE-2021-1567
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
A vulnerability in the DLL loading mechanism of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected device if the VPN Posture (HostScan) Module is installed on the AnyConnect client. This vulnerability is due to a race condition in the signature verification process for DLL files that are loaded on an affected device. An attacker could exploit this vulnerability by sending a series of crafted interprocess communication (IPC) messages to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected device with SYSTEM privileges. To exploit this vulnerability, the attacker must have valid credentials on the Windows system..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 6.2/10
- Exploit Score
- 1.9/10
- Access Vector
- Local
- Access Complexity
- High
- Authentication Required
- None
- Impact Score
- 10/10
- Confidentiality Impact
- Complete
- Availability Impact
- Complete
- Integrity Impact
- Complete
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 6.7/10
- Exploit Score
- 0.8/10
- Access Vector
- Local
- Access Complexity
- High
- Privileges Required
- Low
- Impact Score
- 5.9/10
- Confidentiality Impact
- High
- Availability Impact
- High
- Integrity Impact
- High
- Scope
- Unchanged
- User Interaction
- Required
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*: |
Yes
|
- | 4.10.01075 |