CVE-2018-3615

Summary

CVE	CVE-2018-3615
State	PUBLISHED
Assigner	intel
Source Priority	CVE Program / NVD first with legacy fallback
Published	2018-08-14 19:29:00 UTC
Updated	2026-05-29 21:16:33 UTC
Description	Systems with microprocessors utilizing speculative execution and Intel software guard extensions (Intel SGX) may allow unauthorized disclosure of information residing in the L1 data cache from an enclave to an attacker with local user access via a side-channel analysis.

Risk And Classification

Primary CVSS: v3.1 7.3 HIGH from ADP

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

EPSS: 0.016280000 probability, percentile 0.821890000 (date 2026-06-01)

Problem Types: CWE-203 | Information Disclosure | CWE-203 CWE-203 Observable Discrepancy

Version	Source	Type	Score	Severity	Vector
3.1	ADP	DECLARED	7.3	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N`
3.1	134c704f-9b21-4f2e-91b3-4a467353bcc0	Secondary	7.3	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N`
3.0	[email protected]	Primary	6.4	MEDIUM	`CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N`
2.0	[email protected]	Primary	5.4		`AV:L/AC:M/Au:N/C:C/I:P/A:N`

CVSS v3.1 Breakdown

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

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

CVSS v3.0 Breakdown

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

CVSS v2.0 Breakdown

Access Vector

Local

Access Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Partial

Availability

None

AV:L/AC:M/Au:N/C:C/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Intel	Core I3	6006u	All	All	All
Hardware	Intel	Core I3	6098p	All	All	All
Hardware	Intel	Core I3	6100	All	All	All
Hardware	Intel	Core I3	6100e	All	All	All
Hardware	Intel	Core I3	6100h	All	All	All
Hardware	Intel	Core I3	6100t	All	All	All
Hardware	Intel	Core I3	6100te	All	All	All
Hardware	Intel	Core I3	6100u	All	All	All
Hardware	Intel	Core I3	6102e	All	All	All
Hardware	Intel	Core I3	6157u	All	All	All
Hardware	Intel	Core I3	6167u	All	All	All
Hardware	Intel	Core I3	6300	All	All	All
Hardware	Intel	Core I3	6300t	All	All	All
Hardware	Intel	Core I3	6320	All	All	All
Hardware	Intel	Core I3	8100	All	All	All
Hardware	Intel	Core I3	8350k	All	All	All
Hardware	Intel	Core I5	6200u	All	All	All
Hardware	Intel	Core I5	6260u	All	All	All
Hardware	Intel	Core I5	6267u	All	All	All
Hardware	Intel	Core I5	6287u	All	All	All
Hardware	Intel	Core I5	6300hq	All	All	All
Hardware	Intel	Core I5	6300u	All	All	All
Hardware	Intel	Core I5	6350hq	All	All	All
Hardware	Intel	Core I5	6360u	All	All	All
Hardware	Intel	Core I5	6400	All	All	All
Hardware	Intel	Core I5	6400t	All	All	All
Hardware	Intel	Core I5	6402p	All	All	All
Hardware	Intel	Core I5	6440eq	All	All	All
Hardware	Intel	Core I5	6440hq	All	All	All
Hardware	Intel	Core I5	6442eq	All	All	All
Hardware	Intel	Core I5	650	All	All	All
Hardware	Intel	Core I5	6500	All	All	All
Hardware	Intel	Core I5	6500t	All	All	All
Hardware	Intel	Core I5	6500te	All	All	All
Hardware	Intel	Core I5	655k	All	All	All
Hardware	Intel	Core I5	6585r	All	All	All
Hardware	Intel	Core I5	660	All	All	All
Hardware	Intel	Core I5	6600	All	All	All
Hardware	Intel	Core I5	6600k	All	All	All
Hardware	Intel	Core I5	6600t	All	All	All
Hardware	Intel	Core I5	661	All	All	All
Hardware	Intel	Core I5	6685r	All	All	All
Hardware	Intel	Core I5	670	All	All	All
Hardware	Intel	Core I5	680	All	All	All
Hardware	Intel	Core I5	750	All	All	All
Hardware	Intel	Core I5	750s	All	All	All
Hardware	Intel	Core I5	760	All	All	All
Hardware	Intel	Core I5	8250u	All	All	All
Hardware	Intel	Core I5	8350u	All	All	All
Hardware	Intel	Core I5	8400	All	All	All
Hardware	Intel	Core I5	8600k	All	All	All
Hardware	Intel	Core I7	610e	All	All	All
Hardware	Intel	Core I7	620le	All	All	All
Hardware	Intel	Core I7	620lm	All	All	All
Hardware	Intel	Core I7	620m	All	All	All
Hardware	Intel	Core I7	620ue	All	All	All
Hardware	Intel	Core I7	620um	All	All	All
Hardware	Intel	Core I7	640lm	All	All	All
Hardware	Intel	Core I7	640m	All	All	All
Hardware	Intel	Core I7	640um	All	All	All
Hardware	Intel	Core I7	660lm	All	All	All
Hardware	Intel	Core I7	660ue	All	All	All
Hardware	Intel	Core I7	660um	All	All	All
Hardware	Intel	Core I7	680um	All	All	All
Hardware	Intel	Core I7	720qm	All	All	All
Hardware	Intel	Core I7	740qm	All	All	All
Hardware	Intel	Core I7	7500u	All	All	All
Hardware	Intel	Core I7	7560u	All	All	All
Hardware	Intel	Core I7	7567u	All	All	All
Hardware	Intel	Core I7	7600u	All	All	All
Hardware	Intel	Core I7	7660u	All	All	All
Hardware	Intel	Core I7	7700	All	All	All
Hardware	Intel	Core I7	7700hq	All	All	All
Hardware	Intel	Core I7	7700k	All	All	All
Hardware	Intel	Core I7	7700t	All	All	All
Hardware	Intel	Core I7	7820eq	All	All	All
Hardware	Intel	Core I7	7820hk	All	All	All
Hardware	Intel	Core I7	7820hq	All	All	All
Hardware	Intel	Core I7	7920hq	All	All	All
Hardware	Intel	Core I7	7y75	All	All	All
Hardware	Intel	Core I7	820qm	All	All	All
Hardware	Intel	Core I7	840qm	All	All	All
Hardware	Intel	Core I7	8550u	All	All	All
Hardware	Intel	Core I7	860	All	All	All
Hardware	Intel	Core I7	860s	All	All	All
Hardware	Intel	Core I7	8650u	All	All	All
Hardware	Intel	Core I7	870	All	All	All
Hardware	Intel	Core I7	8700	All	All	All
Hardware	Intel	Core I7	8700k	All	All	All
Hardware	Intel	Core I7	870s	All	All	All
Hardware	Intel	Core I7	875k	All	All	All
Hardware	Intel	Core I7	880	All	All	All
Hardware	Intel	Xeon E3	1505m_v6	All	All	All
Hardware	Intel	Xeon E3	1515m_v5	All	All	All
Hardware	Intel	Xeon E3	1535m_v5	All	All	All
Hardware	Intel	Xeon E3	1535m_v6	All	All	All
Hardware	Intel	Xeon E3	1545m_v5	All	All	All
Hardware	Intel	Xeon E3	1558l_v5	All	All	All
Hardware	Intel	Xeon E3	1565l_v5	All	All	All
Hardware	Intel	Xeon E3	1575m_v5	All	All	All
Hardware	Intel	Xeon E3	1578l_v5	All	All	All
Hardware	Intel	Xeon E3	1585l_v5	All	All	All
Hardware	Intel	Xeon E3	1585_v5	All	All	All
Hardware	Intel	Xeon E3 1220 V5	-	All	All	All
Hardware	Intel	Xeon E3 1220 V6	-	All	All	All
Hardware	Intel	Xeon E3 1225 V5	-	All	All	All
Hardware	Intel	Xeon E3 1225 V6	-	All	All	All
Hardware	Intel	Xeon E3 1230 V5	-	All	All	All
Hardware	Intel	Xeon E3 1230 V6	-	All	All	All
Hardware	Intel	Xeon E3 1235l V5	-	All	All	All
Hardware	Intel	Xeon E3 1240l V5	-	All	All	All
Hardware	Intel	Xeon E3 1240 V5	-	All	All	All
Hardware	Intel	Xeon E3 1240 V6	-	All	All	All
Hardware	Intel	Xeon E3 1245 V5	-	All	All	All
Hardware	Intel	Xeon E3 1245 V6	-	All	All	All
Hardware	Intel	Xeon E3 1260l V5	-	All	All	All
Hardware	Intel	Xeon E3 1268l V5	-	All	All	All
Hardware	Intel	Xeon E3 1270 V5	-	All	All	All
Hardware	Intel	Xeon E3 1270 V6	-	All	All	All
Hardware	Intel	Xeon E3 1275 V5	-	All	All	All
Hardware	Intel	Xeon E3 1275 V6	-	All	All	All
Hardware	Intel	Xeon E3 1280 V5	-	All	All	All
Hardware	Intel	Xeon E3 1280 V6	-	All	All	All
Hardware	Intel	Xeon E3 1285 V6	-	All	All	All
Hardware	Intel	Xeon E3 1501l V6	-	All	All	All
Hardware	Intel	Xeon E3 1501m V6	-	All	All	All
Hardware	Intel	Xeon E3 1505l V5	-	All	All	All
Hardware	Intel	Xeon E3 1505l V6	-	All	All	All
Hardware	Intel	Xeon E3 1505m V5	-	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Intel Corporation	Multiple	affected Multiple	Not specified

References

Reference	Source	Link	Tags
CERT Vulnerability Notes Database	af854a3a-2127-422b-91ae-364da2661108	www.kb.cert.org	Third Party Advisory
Synology Inc.	af854a3a-2127-422b-91ae-364da2661108	www.synology.com	Third Party Advisory
L1 Terminal Fault	af854a3a-2127-422b-91ae-364da2661108	software.intel.com	Mitigation, Vendor Advisory
Intel SA-00161 L1 Terminal Fault Vulnerabilities in NetApp Products \| NetApp Product Security	af854a3a-2127-422b-91ae-364da2661108	security.netapp.com	Third Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf	af854a3a-2127-422b-91ae-364da2661108	cert-portal.siemens.com
Intel CPUs Let Local Users Obtain or Infer Portions of L1 Cache Memory on the Target System - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com	Third Party Advisory, VDB Entry
cert-portal.siemens.com/productcert/pdf/ssa-254686.pdf	af854a3a-2127-422b-91ae-364da2661108	cert-portal.siemens.com
Foreshadow: Breaking the Virtual Memory Abstraction with Transient Out-of-Order Execution	af854a3a-2127-422b-91ae-364da2661108	foreshadowattack.eu	Technical Description, Third Party Advisory
CPU Side-Channel Information Disclosure Vulnerabilities: August 2018	af854a3a-2127-422b-91ae-364da2661108	tools.cisco.com	Third Party Advisory
Security Advisory - CPU Side Channel Vulnerability "L1TF"	af854a3a-2127-422b-91ae-364da2661108	www.huawei.com	Third Party Advisory
INTEL-SA-00161	af854a3a-2127-422b-91ae-364da2661108	www.intel.com	Vendor Advisory
[SECURITY] [DLA 1506-1] intel-microcode security update	af854a3a-2127-422b-91ae-364da2661108	lists.debian.org
support.f5.com/csp/article/K35558453	af854a3a-2127-422b-91ae-364da2661108	support.f5.com	Third Party Advisory
Security Advisory	af854a3a-2127-422b-91ae-364da2661108	psirt.global.sonicwall.com	Third Party Advisory
L1 Terminal Fault Side Channel Vulnerabilities - US	af854a3a-2127-422b-91ae-364da2661108	support.lenovo.com	Third Party Advisory
Document Display \| HPE Support Center	af854a3a-2127-422b-91ae-364da2661108	support.hpe.com	Third Party Advisory
Multiple Intel Processors Side Channel Attack Multiple Information Disclosure Vulnerabilities	af854a3a-2127-422b-91ae-364da2661108	www.securityfocus.com	Third Party Advisory, VDB Entry
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

590937 Siemens SIMATIC WinAC RTX (F) 2010 Multiple Vulnerabilities (ssa-608355)
591418 Siemens Foreshadow / L1 Terminal Fault Multiple Vulnerabilities (SSA-254686)