Attacker Value
Unknown
0
CVE-2020-14394
0
CVE ID
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CVE-2020-14394
(Last updated October 08, 2023) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Discovery
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Execution
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Exfiltration
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Impact
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Initial Access
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Lateral Movement
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Persistence
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Privilege Escalation
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Description
An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
3.2 Low
Impact Score:
1.4
Exploitability Score:
1.5
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Low
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
QEMU QEMU 6.1.50
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- fedoraproject,
- qemu,
- redhat
Products
- enterprise linux 5.0,
- enterprise linux 6.0,
- enterprise linux 7.0,
- enterprise linux 8.0,
- enterprise linux 9.0,
- extra packages for enterprise linux 7.0,
- fedora 33,
- fedora 37,
- openstack platform 10.0,
- openstack platform 13.0,
- qemu 6.1.50
References
Advisory
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Exploited in the Wild
CVE ID
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