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CVE-2022-21166

Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Published: Jun 15, 2022Updated: May 5, 2025 Sources: CVE List NVD BDU csafCWE-459
5.5MEDIUM
NVD MITRE
EPSS Score
5.9%
Top 7.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. This advisory lists vulnerabilities for firmware version V1.0 only; for V1.1 refer to Siemens Security Advisory SSA-265688 ( https://cert-portal.siemens.com/productcert/html/ssa-265688.html).

No summary for this CVE yet.

CVSS Vector Breakdown

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

Weaknesses

CWE-459

Affected Products

Intel Corp.
commercial·USaka intel
sgx dcap
Hardware Firmware
sgx psw
Hardware Firmware
sgx sdk
Hardware Firmware
Intel Software Guard Extensions SDK
Hardware Firmware
Intel SGX DCAP
Hardware Firmware
Intel SGX PSW
Hardware Firmware
xen
oss-project·GBaka xapi, qemu
xenOn-prem
Cloud & SaaS / virtualization
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
vmware
commercial·USaka vmware inc
esxiOn-premWeb App
Cloud & SaaS / virtualization
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2022-21166?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://cert-portal.siemens.com/productcert/csaf/ssa-794697.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-794697.pdf
cert-portal.siemens.com
and 28 more references View all →
News mentions
Could not load news mentions.

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