Local privilege escalation via improper buffer restrictions
Published Jun 9, 2021 · Updated Aug 4, 2024
Improper buffer restrictions in Intel Converged Security and Manageability Engine allow local users with privileged access to escalate privileges. The flaw is in an undisclosed CSME subsystem; Intel has not identified the buffer, input, or incorrect bounds operation in public materials. Exploitation requires privileged local access, and the published consequence is privilege escalation with no remote or unauthenticated path reported.
Summary
What happened
Improper buffer restrictions in Intel Converged Security and Manageability Engine allow local users with privileged access to escalate privileges. The flaw is in an undisclosed CSME subsystem; Intel has not identified the buffer, input, or incorrect bounds operation in public materials. Exploitation requires privileged local access, and the published consequence is privilege escalation with no remote or unauthenticated path reported.
The record
- CVE
- CVE-2020-8703
- Published
- Jun 9, 2021
- Updated
- Aug 4, 2024
- Vendor
- Topcon Positioning Systems, Inc.
- Product
- Intel Converged Security and Manageability Engine
- Classifications
- T1068
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Jun 9, 2021CVE publishedPublication date reported by the CVE source.
- Aug 4, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo