Vulnerability Database

383,371

Total vulnerabilities in the database

CVE-2018-3620 — intel / xeon

Observable Discrepancy

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access via a terminal page fault and a side-channel analysis.

  • Published: Aug 14, 2018
  • Updated: Sep 13, 2026
  • CVE: CVE-2018-3620
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Medium
  • Score: 5.6
  • AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v2:

  • Severity: Medium
  • Score: 4.7
  • AV:L/AC:M/Au:N/C:C/I:N/A:N

CWEs:

Software Affected versions
intel / xeon All versions
intel / core_i3 = 330e
intel / core_i3 = 330m
intel / core_i3 = 330um
intel / core_i3 = 350m
intel / core_i3 = 370m
intel / core_i3 = 380m
intel / core_i3 = 380um
intel / core_i3 = 390m
intel / core_i3 = 530
intel / core_i3 = 540
intel / core_i3 = 550
intel / core_i3 = 560
intel / core_i3 = 2100
intel / core_i3 = 2100t
intel / core_i3 = 2102
intel / core_i3 = 2105
intel / core_i3 = 2115c
intel / core_i3 = 2120
intel / core_i3 = 2120t
intel / core_i3 = 2125
intel / core_i3 = 2130
intel / core_i3 = 2310e
intel / core_i3 = 2310m
intel / core_i3 = 2312m
intel / core_i3 = 2328m
intel / core_i3 = 2330e
intel / core_i3 = 2330m
intel / core_i3 = 2340ue
intel / core_i3 = 2348m
intel / core_i3 = 2350m
intel / core_i3 = 2357m
intel / core_i3 = 2365m
intel / core_i3 = 2367m
intel / core_i3 = 2370m
intel / core_i3 = 2375m
intel / core_i3 = 2377m
intel / core_i3 = 3110m
intel / core_i3 = 3115c
intel / core_i3 = 3120m
intel / core_i3 = 3120me
intel / core_i3 = 3130m
intel / core_i3 = 3210
intel / core_i3 = 3217u
intel / core_i3 = 3217ue
intel / core_i3 = 3220
intel / core_i3 = 3220t
intel / core_i3 = 3225
intel / core_i3 = 3227u
intel / core_i3 = 3229y
intel / core_i3 = 3240
intel / core_i3 = 3240t
intel / core_i3 = 3245
intel / core_i3 = 3250
intel / core_i3 = 3250t
intel / core_i3 = 4000m
intel / core_i3 = 4005u
intel / core_i3 = 4010u
intel / core_i3 = 4010y
intel / core_i3 = 4012y
intel / core_i3 = 4020y
intel / core_i3 = 4025u
intel / core_i3 = 4030u
intel / core_i3 = 4030y
intel / core_i3 = 4100e
intel / core_i3 = 4100m
intel / core_i3 = 4100u
intel / core_i3 = 4102e
intel / core_i3 = 4110e
intel / core_i3 = 4110m
intel / core_i3 = 4112e
intel / core_i3 = 4120u
intel / core_i3 = 4130
intel / core_i3 = 4130t
intel / core_i3 = 4150
intel / core_i3 = 4150t
intel / core_i3 = 4158u
intel / core_i3 = 4160
intel / core_i3 = 4160t
intel / core_i3 = 4170
intel / core_i3 = 4170t
intel / core_i3 = 4330
intel / core_i3 = 4330t
intel / core_i3 = 4330te
intel / core_i3 = 4340
intel / core_i3 = 4340te
intel / core_i3 = 4350
intel / core_i3 = 4350t
intel / core_i3 = 4360
intel / core_i3 = 4360t
intel / core_i3 = 4370
intel / core_i3 = 4370t
intel / core_i3 = 5005u
intel / core_i3 = 5010u
intel / core_i3 = 5015u
intel / core_i3 = 5020u
intel / core_i3 = 5157u
intel / core_i3 = 6006u
intel / core_i3 = 6098p
intel / core_i3 = 6100
intel / core_i3 = 6100e
intel / core_i3 = 6100h
intel / core_i3 = 6100t
intel / core_i3 = 6100te
intel / core_i3 = 6100u
intel / core_i3 = 6102e
intel / core_i3 = 6157u
intel / core_i3 = 6167u
intel / core_i3 = 6300
intel / core_i3 = 6300t
intel / core_i3 = 6320
intel / core_i3 = 8100
intel / core_i3 = 8350k
intel / core_i5 = 430m
intel / core_i5 = 430um
intel / core_i5 = 450m
intel / core_i5 = 460m
intel / core_i5 = 470um
intel / core_i5 = 480m
intel / core_i5 = 520e
intel / core_i5 = 520m
intel / core_i5 = 520um
intel / core_i5 = 540m
intel / core_i5 = 540um
intel / core_i5 = 560m
intel / core_i5 = 560um
intel / core_i5 = 580m
intel / core_i5 = 650
intel / core_i5 = 655k
intel / core_i5 = 660
intel / core_i5 = 661
intel / core_i5 = 670
intel / core_i5 = 680
intel / core_i5 = 750
intel / core_i5 = 750s
intel / core_i5 = 760
intel / core_i5 = 2300
intel / core_i5 = 2310
intel / core_i5 = 2320
intel / core_i5 = 2380p
intel / core_i5 = 2390t
intel / core_i5 = 2400
intel / core_i5 = 2400s
intel / core_i5 = 2405s
intel / core_i5 = 2410m
intel / core_i5 = 2430m
intel / core_i5 = 2435m
intel / core_i5 = 2450m
intel / core_i5 = 2450p
intel / core_i5 = 2467m
intel / core_i5 = 2500
intel / core_i5 = 2500k
intel / core_i5 = 2500s
intel / core_i5 = 2500t
intel / core_i5 = 2510e
intel / core_i5 = 2515e
intel / core_i5 = 2520m
intel / core_i5 = 2537m
intel / core_i5 = 2540m
intel / core_i5 = 2550k
intel / core_i5 = 2557m
intel / core_i5 = 3210m
intel / core_i5 = 3230m
intel / core_i5 = 3317u
intel / core_i5 = 3320m
intel / core_i5 = 3330
intel / core_i5 = 3330s
intel / core_i5 = 3337u
intel / core_i5 = 3339y
intel / core_i5 = 3340
intel / core_i5 = 3340m
intel / core_i5 = 3340s
intel / core_i5 = 3350p
intel / core_i5 = 3360m
intel / core_i5 = 3380m
intel / core_i5 = 3427u
intel / core_i5 = 3437u
intel / core_i5 = 3439y
intel / core_i5 = 3450
intel / core_i5 = 3450s
intel / core_i5 = 3470
intel / core_i5 = 3470s
intel / core_i5 = 3470t
intel / core_i5 = 3475s
intel / core_i5 = 3550
intel / core_i5 = 3550s
intel / core_i5 = 3570
intel / core_i5 = 3570k
intel / core_i5 = 3570s
intel / core_i5 = 3570t
intel / core_i5 = 3610me
intel / core_i5 = 4200h
intel / core_i5 = 4200m
intel / core_i5 = 4200u
intel / core_i5 = 4200y
intel / core_i5 = 4202y
intel / core_i5 = 4210h
intel / core_i5 = 4210m
intel / core_i5 = 4210u
intel / core_i5 = 4210y
intel / core_i5 = 4220y
intel / core_i5 = 4250u
intel / core_i5 = 4258u
intel / core_i5 = 4260u
intel / core_i5 = 4278u
intel / core_i5 = 4288u
intel / core_i5 = 4300m
intel / core_i5 = 4300u
intel / core_i5 = 4300y
intel / core_i5 = 4302y
intel / core_i5 = 4308u
intel / core_i5 = 4310m
intel / core_i5 = 4310u
intel / core_i5 = 4330m
intel / core_i5 = 4340m
intel / core_i5 = 4350u
intel / core_i5 = 4360u
intel / core_i5 = 4400e
intel / core_i5 = 4402e
intel / core_i5 = 4402ec
intel / core_i5 = 4410e
intel / core_i5 = 4422e
intel / core_i5 = 4430
intel / core_i5 = 4430s
intel / core_i5 = 4440
intel / core_i5 = 4440s
intel / core_i5 = 4460
intel / core_i5 = 4460s
intel / core_i5 = 4460t
intel / core_i5 = 4570
intel / core_i5 = 4570r
intel / core_i5 = 4570s
intel / core_i5 = 4570t
intel / core_i5 = 4570te
intel / core_i5 = 4590
intel / core_i5 = 4590s
intel / core_i5 = 4590t
intel / core_i5 = 4670
intel / core_i5 = 4670k
intel / core_i5 = 4670r
intel / core_i5 = 4670s
intel / core_i5 = 4670t
intel / core_i5 = 4690
intel / core_i5 = 4690k
intel / core_i5 = 4690s
intel / core_i5 = 4690t
intel / core_i5 = 5200u
intel / core_i5 = 5250u
intel / core_i5 = 5257u
intel / core_i5 = 5287u
intel / core_i5 = 5300u
intel / core_i5 = 5350h
intel / core_i5 = 5350u
intel / core_i5 = 5575r
intel / core_i5 = 5675c
intel / core_i5 = 5675r
intel / core_i5 = 6200u
intel / core_i5 = 6260u
intel / core_i5 = 6267u
intel / core_i5 = 6287u
intel / core_i5 = 6300hq
intel / core_i5 = 6300u
intel / core_i5 = 6350hq
intel / core_i5 = 6360u
intel / core_i5 = 6400
intel / core_i5 = 6400t
intel / core_i5 = 6402p
intel / core_i5 = 6440eq
intel / core_i5 = 6440hq
intel / core_i5 = 6442eq
intel / core_i5 = 6500
intel / core_i5 = 6500t
intel / core_i5 = 6500te
intel / core_i5 = 6585r
intel / core_i5 = 6600
intel / core_i5 = 6600k
intel / core_i5 = 6600t
intel / core_i5 = 6685r
intel / core_i5 = 8250u
intel / core_i5 = 8350u
intel / core_i5 = 8400
intel / core_i5 = 8600k
intel / core_i7 = 7y75
intel / core_i7 = 610e
intel / core_i7 = 620le
intel / core_i7 = 620lm
intel / core_i7 = 620m
intel / core_i7 = 620ue
intel / core_i7 = 620um
intel / core_i7 = 640lm
intel / core_i7 = 640m
intel / core_i7 = 640um
intel / core_i7 = 660lm
intel / core_i7 = 660ue
intel / core_i7 = 660um
intel / core_i7 = 680um
intel / core_i7 = 720qm
intel / core_i7 = 740qm
intel / core_i7 = 820qm
intel / core_i7 = 840qm
intel / core_i7 = 860
intel / core_i7 = 860s
intel / core_i7 = 870
intel / core_i7 = 870s
intel / core_i7 = 875k
intel / core_i7 = 880
intel / core_i7 = 920
intel / core_i7 = 920xm
intel / core_i7 = 930
intel / core_i7 = 940
intel / core_i7 = 940xm
intel / core_i7 = 950
intel / core_i7 = 960
intel / core_i7 = 965
intel / core_i7 = 970
intel / core_i7 = 975
intel / core_i7 = 980
intel / core_i7 = 980x
intel / core_i7 = 990x
intel / core_i7 = 2600
intel / core_i7 = 2600k
intel / core_i7 = 2600s
intel / core_i7 = 2610ue
intel / core_i7 = 2617m
intel / core_i7 = 2620m
intel / core_i7 = 2629m
intel / core_i7 = 2630qm
intel / core_i7 = 2635qm
intel / core_i7 = 2637m
intel / core_i7 = 2640m
intel / core_i7 = 2649m
intel / core_i7 = 2655le
intel / core_i7 = 2657m
intel / core_i7 = 2670qm
intel / core_i7 = 2675qm
intel / core_i7 = 2677m
intel / core_i7 = 2700k
intel / core_i7 = 2710qe
intel / core_i7 = 2715qe
intel / core_i7 = 2720qm
intel / core_i7 = 2760qm
intel / core_i7 = 2820qm
intel / core_i7 = 2860qm
intel / core_i7 = 2920xm
intel / core_i7 = 2960xm
intel / core_i7 = 3517u
intel / core_i7 = 3517ue
intel / core_i7 = 3520m
intel / core_i7 = 3537u
intel / core_i7 = 3540m
intel / core_i7 = 3555le
intel / core_i7 = 3610qe
intel / core_i7 = 3610qm
intel / core_i7 = 3612qe
intel / core_i7 = 3612qm
intel / core_i7 = 3615qe
intel / core_i7 = 3615qm
intel / core_i7 = 3630qm
intel / core_i7 = 3632qm
intel / core_i7 = 3635qm
intel / core_i7 = 3667u
intel / core_i7 = 3687u
intel / core_i7 = 3689y
intel / core_i7 = 3720qm
intel / core_i7 = 3740qm
intel / core_i7 = 3770
intel / core_i7 = 3770k
intel / core_i7 = 3770s
intel / core_i7 = 3770t
intel / core_i7 = 3820qm
intel / core_i7 = 3840qm
intel / core_i7 = 4500u
intel / core_i7 = 4510u
intel / core_i7 = 4550u
intel / core_i7 = 4558u
intel / core_i7 = 4578u
intel / core_i7 = 4600m
intel / core_i7 = 4600u
intel / core_i7 = 4610m
intel / core_i7 = 4610y
intel / core_i7 = 4650u
intel / core_i7 = 4700ec
intel / core_i7 = 4700eq
intel / core_i7 = 4700hq
intel / core_i7 = 4700mq
intel / core_i7 = 4702ec
intel / core_i7 = 4702hq
intel / core_i7 = 4702mq
intel / core_i7 = 4710hq
intel / core_i7 = 4710mq
intel / core_i7 = 4712hq
intel / core_i7 = 4712mq
intel / core_i7 = 4720hq
intel / core_i7 = 4722hq
intel / core_i7 = 4750hq
intel / core_i7 = 4760hq
intel / core_i7 = 4765t
intel / core_i7 = 4770
intel / core_i7 = 4770hq
intel / core_i7 = 4770k
intel / core_i7 = 4770r
intel / core_i7 = 4770s
intel / core_i7 = 4770t
intel / core_i7 = 4770te
intel / core_i7 = 4771
intel / core_i7 = 4785t
intel / core_i7 = 4790
intel / core_i7 = 4790k
intel / core_i7 = 4790s
intel / core_i7 = 4790t
intel / core_i7 = 4800mq
intel / core_i7 = 4810mq
intel / core_i7 = 4850hq
intel / core_i7 = 4860hq
intel / core_i7 = 4870hq
intel / core_i7 = 4900mq
intel / core_i7 = 4910mq
intel / core_i7 = 4950hq
intel / core_i7 = 4960hq
intel / core_i7 = 4980hq
intel / core_i7 = 5500u
intel / core_i7 = 5550u
intel / core_i7 = 5557u
intel / core_i7 = 5600u
intel / core_i7 = 5650u
intel / core_i7 = 5700eq
intel / core_i7 = 5700hq
intel / core_i7 = 5750hq
intel / core_i7 = 5775c
intel / core_i7 = 5775r
intel / core_i7 = 5850eq
intel / core_i7 = 5850hq
intel / core_i7 = 5950hq
intel / core_i7 = 7500u
intel / core_i7 = 7560u
intel / core_i7 = 7567u
intel / core_i7 = 7600u
intel / core_i7 = 7660u
intel / core_i7 = 7700
intel / core_i7 = 7700hq
intel / core_i7 = 7700k
intel / core_i7 = 7700t
intel / core_i7 = 7820eq
intel / core_i7 = 7820hk
intel / core_i7 = 7820hq
intel / core_i7 = 7920hq
intel / core_i7 = 8550u
intel / core_i7 = 8650u
intel / core_i7 = 8700
intel / core_i7 = 8700k
intel / core_m = 5y10
intel / core_m = 5y10a
intel / core_m = 5y10c
intel / core_m = 5y31
intel / core_m = 5y51
intel / core_m = 5y70
intel / core_m = 5y71
intel / core_m3 = 6y30
intel / core_m3 = 7y30
intel / core_m3 = 7y32
intel / core_m5 = 6y54
intel / core_m5 = 6y57
intel / core_m7 = 6y75

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.