CVE•Published 2018-05-22•Modified 2026-05-29•1 article on news•5 live references•NVD data
CVE-2018-3639Intel · Atom_c
Vulnerability data via NVD (ingested)
CVSS v3.1
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS percentile
98
Exploit Prediction Scoring System · top 2% of all CVEs
Weaknesses (CWE)
Description
Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.
Timeline
Published 2018-05-22
Modified 2026-05-29
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2018-3639Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2018-3639Censys host search filtered to this CVE id.
grep.app
CVE-2018-3639Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2018-3639GitHub code search for direct mentions.
Google dork
"CVE-2018-3639" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (4)
CVE-2018-36394 repos
xairy/linux-kernel-exploitationunknown
A collection of links related to Linux kernel security and exploitation
speed47/spectre-meltdown-checkerShell
Reptar, Downfall, Zenbleed, ZombieLoad, RIDL, Fallout, Foreshadow, Spectre, Meltdown vulnerability/mitigation checker for Linux & BSD
uhub/awesome-cunknown
A curated list of awesome C frameworks, libraries and software.
microsoft/SpeculationControlPowerShell
Speculation control powershell script