CVE-2020-8734

Privileged local privilege escalation

Published Feb 2, 2021 · Updated Aug 4, 2024

Improper input validation in Intel Server Board M10JNP2SB firmware before 7.210 allows privileged local users to escalate privileges. Intel has not disclosed the firmware locus, the accepted input, or the validation operation that mishandles it. Exploitation requires high privileges and local access; Intel has not described the resulting permissions or actions.

CVSS severity7.5
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Intel Server Board M10JNP2SB firmware before 7.210 allows privileged local users to escalate privileges. Intel has not disclosed the firmware locus, the accepted input, or the validation operation that mishandles it. Exploitation requires high privileges and local access; Intel has not described the resulting permissions or actions.

The record

CVE
CVE-2020-8734
Published
Feb 2, 2021
Updated
Aug 4, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Server Board M10JNP2SB
Classifications
CWE-20, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Feb 2, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before 7.210

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Topcon Positioning Systems, Inc. · Intel Server Board M10JNP2SBversion=before 7.210

Published CVSS scores

4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
6.7NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.5Intel CorporationCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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