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CVE-2017-5691· NVD / CVE Program· CNA intel

Incorrect check in Intel processors from 6th and 7th Generation Intel Core Processor Families, Intel Xeon E3-1500M v5 and v6 Product Familie

Incorrect check in Intel processors from 6th and 7th Generation Intel Core Processor Families, Intel Xeon E3-1500M v5 and v6 Product Families, and Intel Xeon E3-1200 v5 and v6 Product Families allows compromised system firmware to impact SGX security via incorrect early system state.

CriticalCVSS 9.0 · v3.0—No exploit No fix recorded
Published
Jul 26, 2017
Updated
Jun 16, 2026
EPSS
1.4% · 72th percentile
CWE
—
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Report tools

JSON

Action score

36

Monitor

Low priority for now.

CVSS
36 / 40 · 9.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.4%

Affected systems

VendorProduct
intelnuc7i3bnk bios
intelnuc7i3bnk
intelnuc7i5bnk bios
intelnuc7i5bnk
intelnuc7i7bnh bios
intelnuc7i7bnh
intelstk2mv64cc bios
intelstk2mv64cc
intelstk2m3w64cc bios
intelstk2m3w64cc
intelnuc6i7kyk bios
intelnuc6i7kyk

and 32 more

Affected versions

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

  • intel lr1304spcfg1 biosall versions
  • intel lr1304spcfg1r biosall versions
  • intel nuc6i3syk biosall versions
  • intel nuc6i5syk biosall versions
  • intel nuc6i7kyk biosall versions
  • intel nuc7i3bnk biosall versions
  • intel nuc7i5bnk biosall versions
  • intel nuc7i7bnh biosall versions
  • intel r1208sposhor biosall versions
  • intel r1208sposhorr biosall versions
  • intel r1304sposhbn biosall versions
  • intel r1304sposhbnr biosall versions
  • intel r1304sposhor biosall versions
  • intel r1304sposhorr biosall versions
  • intel s1200spl biosall versions
  • intel s1200splr biosall versions
  • intel s1200spo biosall versions
  • intel s1200spor biosall versions
  • intel s1200sps biosall versions
  • intel s1200spsr biosall 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.

  • Intel Corporation 6th and 7th Generation Intel Core Processor Families, Intel Xeon E3-1500M v5 and v6 Processor Families, and Intel Xeon E3-1200 v5 and v6 Product Families.

    • 6th and 7th Generation Intel Core Processor Families, Intel Xeon E3-1500M v5 and v6 Processor Families, and Intel Xeon E3-1200 v5 and v6 Product Families.affected

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.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

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

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • A user must open a link or visit a page.
  • 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

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/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.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

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