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CVE-2021-3409
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 4.6/10
- Exploit Score
- 3.9/10
- Access Vector
- Local
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 6.4/10
- Confidentiality Impact
- Partial
- Availability Impact
- Partial
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.7/10
- Exploit Score
- 1.5/10
- Access Vector
- Local
- Access Complexity
- Low
- Privileges Required
- High
- Impact Score
- 3.7/10
- Confidentiality Impact
- Low
- Availability Impact
- Low
- Integrity Impact
- Low
- Scope
- Changed
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
Yes
|
- | - |