Attacker Value
Unknown
0
CVE-2023-20578
0
CVE ID
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CVE-2023-20578
(Last updated October 03, 2024) ▾
MITRE ATT&CK
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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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Topic Tags
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What makes this of high-value to an attacker?
What makes this of low-value to an attacker?
Description
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow
an attacker with ring0 privileges and access to the
BIOS menu or UEFI shell to modify the communications buffer potentially
resulting in arbitrary code execution.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
6.4 Medium
Impact Score:
5.9
Exploitability Score:
0.5
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
AMD EPYC™ 7001 Processors not down converted
AMD EPYC™ 7002 Processors not down converted
AMD EPYC™ 7003 Processors not down converted
AMD EPYC™ 9004 Processors not down converted
AMD Ryzen™ 7000 Series Desktop Processors not down converted
AMD Ryzen™ Threadripper™ PRO 5000WX Processors not down converted
AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics not down converted
AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics not down converted
AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics not down converted
AMD EPYC™ Embedded 3000 not down converted
AMD EPYC™ Embedded 7002 not down converted
AMD EPYC™ Embedded 7003 not down converted
AMD EPYC™ Embedded 9003 not down converted
AMD Ryzen™ Embedded 7000 not down converted
AMD RyzenTM Embedded V3000 not down converted
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- amd
Products
- epyc 7001 firmware,
- epyc 7203 firmware,
- epyc 7203p firmware,
- epyc 7232p firmware,
- epyc 7251 firmware,
- epyc 7252 firmware,
- epyc 7261 firmware,
- epyc 7262 firmware,
- epyc 7272 firmware,
- epyc 7281 firmware,
- epyc 7282 firmware,
- epyc 72f3 firmware,
- epyc 7301 firmware,
- epyc 7302 firmware,
- epyc 7302p firmware,
- epyc 7303 firmware,
- epyc 7303p firmware,
- epyc 7313 firmware,
- epyc 7313p firmware,
- epyc 7343 firmware,
- epyc 7351 firmware,
- epyc 7351p firmware,
- epyc 7352 firmware,
- epyc 7371 firmware,
- epyc 7373x firmware,
- epyc 73f3 firmware,
- epyc 7401 firmware,
- epyc 7401p firmware,
- epyc 7402 firmware,
- epyc 7402p firmware,
- epyc 7413 firmware,
- epyc 7443 firmware,
- epyc 7443p firmware,
- epyc 7451 firmware,
- epyc 7452 firmware,
- epyc 7453 firmware,
- epyc 7473x firmware,
- epyc 74f3 firmware,
- epyc 7501 firmware,
- epyc 7502 firmware,
- epyc 7502p firmware,
- epyc 7513 firmware,
- epyc 7532 firmware,
- epyc 7542 firmware,
- epyc 7543 firmware,
- epyc 7543p firmware,
- epyc 7551 firmware,
- epyc 7551p firmware,
- epyc 7552 firmware,
- epyc 7573x firmware,
- epyc 75f3 firmware,
- epyc 7601 firmware,
- epyc 7642 firmware,
- epyc 7643 firmware,
- epyc 7643p firmware,
- epyc 7662 firmware,
- epyc 7663 firmware,
- epyc 7663p firmware,
- epyc 7702 firmware,
- epyc 7702p firmware,
- epyc 7713 firmware,
- epyc 7713p firmware,
- epyc 7742 firmware,
- epyc 7763 firmware,
- epyc 7773x firmware,
- epyc 7f32 firmware,
- epyc 7f52 firmware,
- epyc 7f72 firmware,
- epyc 7h12 firmware,
- epyc 8024p firmware,
- epyc 8024pn firmware,
- epyc 8124p firmware,
- epyc 8124pn firmware,
- epyc 8224p firmware,
- epyc 8224pn firmware,
- epyc 8324p firmware,
- epyc 8324pn firmware,
- epyc 8434p firmware,
- epyc 8434pn firmware,
- epyc 8534p firmware,
- epyc 8534pn firmware,
- epyc 9124 firmware,
- epyc 9174f firmware,
- epyc 9184x firmware,
- epyc 9224 firmware,
- epyc 9254 firmware,
- epyc 9274f firmware,
- epyc 9334 firmware,
- epyc 9354 firmware,
- epyc 9354p firmware,
- epyc 9374f firmware,
- epyc 9384x firmware,
- epyc 9454 firmware,
- epyc 9454p firmware,
- epyc 9474f firmware,
- epyc 9534 firmware,
- epyc 9554 firmware,
- epyc 9554p firmware,
- epyc 9634 firmware,
- epyc 9654 firmware,
- epyc 9654p firmware,
- epyc 9684x firmware,
- epyc 9734 firmware,
- epyc 9754 firmware,
- epyc 9754s 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 Zero-day Exploit
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:
