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NVD / CVE Program· CNA intel

CVE-2021-0186: Improper input validation in the Intel(R) SGX SDK applications compiled for SGX2 enabled processors may allow a privileged user to potential

Noroxi assessment

Priority: Monitor (action score 26/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.33% (FIRST EPSS).
  • Someone with local access to the system can trigger it. Administrator privileges are required. No user action is required. No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Improper input validation in the Intel(R) SGX SDK applications compiled for SGX2 enabled processors may allow a privileged user to potentially escalation of privilege via local access.

MediumCVSS 6.7 · v3.1—No exploit No fix recorded
Published
Nov 17, 2021
Updated
Jun 16, 2026
EPSS
0.3% · 26th percentile

Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2021-0186

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
intelsgx sdk
intelxeon gold 6342 firmware
intelxeon gold 6342
intelxeon gold 6346 firmware
intelxeon gold 6346
intelxeon gold 6330 firmware
intelxeon gold 6330
intelxeon platinum 8360y firmware
intelxeon platinum 8360y
intelxeon gold 6354 firmware
intelxeon gold 6354
intelxeon gold 6314u firmware

and 188 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • intel celeron j1750 firmwareall versions
  • intel celeron j1800 firmwareall versions
  • intel celeron j1850 firmwareall versions
  • intel celeron j1900 firmwareall versions
  • intel celeron j3060 firmwareall versions
  • intel celeron j3160 firmwareall versions
  • intel celeron j3355 firmwareall versions
  • intel celeron j3355e firmwareall versions
  • intel celeron j3455 firmwareall versions
  • intel celeron j3455e firmwareall versions
  • intel celeron j4005 firmwareall versions
  • intel celeron j4025 firmwareall versions
  • intel celeron j4105 firmwareall versions
  • intel celeron j4125 firmwareall versions
  • intel celeron j6412 firmwareall versions
  • intel celeron j6413 firmwareall versions
  • intel celeron n2805 firmwareall versions
  • intel celeron n2806 firmwareall versions
  • intel celeron n2807 firmwareall versions
  • intel celeron n2808 firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (intel). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Intel(R) SGX SDK applications compiled for SGX2 enabled processors

    • See referencesaffected

Same product

intel: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-26841Insufficient control flow management for the Intel(R) SGX SDK software for Linux before version 2.16.100.1 may allow an authenticated user t
    22Monitor
  • CVE-2022-26509Improper conditions check in the Intel(R) SGX SDK software may allow a privileged user to potentially enable information disclosure via loca
    22Monitor
  • CVE-2018-3626Edger8r tool in the Intel SGX SDK before version 2.1.2 (Linux) and 1.9.6 (Windows) may generate code that is susceptible to a side channel p
    18Monitor

Published before and after this one in the same product

  • Later →CVE-2022-27499Nov 11, 2022 · Premature release of resource during expected lifetime in the Intel(R) SGX SDK software may allow a privileged user to potentially enable in
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records