CVE Tools
Sign in

CVE-2019-11091

Published: May 30, 2019Updated: May 28, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
5.6MEDIUM
NVD MITRE
EPSS Score
0.6%
Top 55.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:CC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Intel Corporation
commercial·USaka intel, Intel Corp.
Central Processing Units (CPUs)
Hardware Firmware
microarchitectural data sampling uncacheable memory firmware
Hardware Firmware
Intel Pentium
Hardware Firmware
Intel Celeron
Hardware Firmware
8th Generation Intel Core
Hardware Firmware
8th Generation Intel Core i7
Hardware Firmware
5th Generation Intel Core
Hardware Firmware
9th Generation Intel Core
Hardware Firmware
Siemens AG
commercial·DEaka siemens
SIMATIC IPC427C
ICS / OT / IoT
SIMATIC IPC477C
ICS / OT / IoT
SINUMERIK 840D sl
ICS / OT / IoT
SINUMERIK TCU 30.3
ICS / OT / IoT
SINUMERIK PCU 50.5
ICS / OT / IoT
SIMATIC Field PG M4
ICS / OT / IoT
SIMATIC Field PG M5
ICS / OT / IoT
SIMATIC Field PG M6
ICS / OT / IoT
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Red Hat Enterprise MRGOn-prem
Operating Systems / linux-distro
Red Hat VirtualizationOn-prem
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
LinuxOn-premOS
Operating Systems / linux-distro
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
and 76 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2019-11091?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html
intel.com
https://www.synology.com/security/advisory/Synology_SA_19_24
synology.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
lists.fedoraproject.org
and 77 more references View all →
News mentions
Could not load news mentions.

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2019-11091 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows