CVE-2018-3620
MEDIUM 5.6EPSS 5.6%
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.
- Affected
- Intel Corporation · Multiple
- CVSS v3.1 CNA
- 5.6 MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N - CVSS v3.0 NVD
- 5.6 MEDIUM
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N - CVSS v2.0 NVD
- 4.7 MEDIUM
AV:L/AC:M/Au:N/C:C/I:N/A:N - EPSS
- 5.58% chance of exploitation in the next 30 days, 93rd percentile
- Published
- 2018-08-14
- Updated
- 2026-05-29
Proof-of-concept exploits (2)
- houseofint3/CVE-2020-173821★ · 2023-01-01
- houseofxyz/CVE-2020-173821★ · 2023-01-01
Security advisories
- https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00161.html
- http://support.lenovo.com/us/en/solutions/LEN-24163
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180815-01-cpu-en
- http://www.securityfocus.com/bid/105080
- http://www.securitytracker.com/id/1041451
- http://www.vmware.com/security/advisories/VMSA-2018-0021.html
- http://xenbits.xen.org/xsa/advisory-273.html
- https://access.redhat.com/errata/RHSA-2018:2384
- https://access.redhat.com/errata/RHSA-2018:2387
- https://access.redhat.com/errata/RHSA-2018:2388
- https://access.redhat.com/errata/RHSA-2018:2389
- https://access.redhat.com/errata/RHSA-2018:2390
- https://access.redhat.com/errata/RHSA-2018:2391
- https://access.redhat.com/errata/RHSA-2018:2392
- https://access.redhat.com/errata/RHSA-2018:2393
- https://access.redhat.com/errata/RHSA-2018:2394
- https://access.redhat.com/errata/RHSA-2018:2395
- https://access.redhat.com/errata/RHSA-2018:2396
- https://access.redhat.com/errata/RHSA-2018:2402
- https://access.redhat.com/errata/RHSA-2018:2403
- https://access.redhat.com/errata/RHSA-2018:2404
- https://foreshadowattack.eu
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0009
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:09.l1tf.asc
- https://security.netapp.com/advisory/ntap-20180815-0001
- https://support.f5.com/csp/article/K95275140
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03874…
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180814-c…
- https://usn.ubuntu.com/3740-1
- https://usn.ubuntu.com/3740-2
- https://usn.ubuntu.com/3741-1
- https://usn.ubuntu.com/3742-1
- https://usn.ubuntu.com/3742-2
- https://www.synology.com/support/security/Synology_SA_18_45
- https://usn.ubuntu.com/3741-2
- https://usn.ubuntu.com/3823-1
- https://www.kb.cert.org/vuls/id/982149
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html