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CVE-2020-25632
CVE ID
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CVE-2020-25632
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
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CVSS V3 Severity and Metrics
General Information
Vendors
- fedoraproject,
- gnu,
- netapp,
- redhat
Products
- enterprise linux 7.0,
- enterprise linux 8.0,
- enterprise linux server aus 7.2,
- enterprise linux server aus 7.3,
- enterprise linux server aus 7.4,
- enterprise linux server aus 7.6,
- enterprise linux server aus 7.7,
- enterprise linux server aus 8.2,
- enterprise linux server eus 7.6,
- enterprise linux server eus 7.7,
- enterprise linux server eus 8.1,
- enterprise linux server tus 7.4,
- enterprise linux server tus 7.6,
- enterprise linux server tus 7.7,
- enterprise linux server tus 8.2,
- enterprise linux workstation 7.0,
- fedora 33,
- fedora 34,
- grub2,
- ontap select deploy administration utility -
References
Miscellaneous
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
