Attacker Value
Unknown
0
CVE-2021-26401
0
CVE ID
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CVE-2021-26401
(Last updated October 07, 2023) ▾
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Collection
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Command and Control
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Execution
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Exfiltration
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Initial Access
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Persistence
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Description
LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
5.6 Medium
Impact Score:
4
Exploitability Score:
1.1
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
AMD Processors Zen 3
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- amd
Products
- a10-9600p firmware -,
- a10-9630p firmware -,
- a12-9700p firmware -,
- a12-9730p firmware -,
- a4-9120 firmware -,
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- epyc 7232p firmware -,
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- epyc 7742 firmware -,
- epyc 7f32 firmware -,
- epyc 7f52 firmware -,
- epyc 7f72 firmware -,
- epyc 7h12 firmware -,
- ryzen 3 2200u firmware -,
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- ryzen 9 3900x firmware -,
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- ryzen threadripper 2920x firmware -,
- ryzen threadripper 2950x firmware -,
- ryzen threadripper 2970wx firmware -,
- ryzen threadripper 2990wx firmware -,
- ryzen threadripper 3970x firmware -,
- ryzen threadripper pro 5945wx firmware -,
- ryzen threadripper pro 5955wx firmware -,
- ryzen threadripper pro 5965wx firmware -,
- ryzen threadripper pro 5975wx firmware -,
- ryzen threadripper pro 5995wx firmware -
References
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 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: