CVE-2020-8704 : Race condition in a subsystem in the Intel(R) LMS versions before 2039.1.0.0 may

Race condition in a subsystem in the Intel(R) LMS versions before 2039.1.0.0 may allow a privileged user to potentially enable escalation of privilege via local access.

Published 2021-06-09 19:15:09

Updated 2022-04-22 16:20:41

Source Intel Corporation

View at NVD, CVE.org

Products affected by CVE-2020-8704

Siemens » Simatic Ipc427e Firmware
cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc427e » Version: N/A
Siemens » Simatic Ipc477e Firmware
cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc477e » Version: N/A
Siemens » Simatic Itp1000 Firmware
cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Itp1000 » Version: N/A
Siemens » Simatic Field Pg M5 Firmware
cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Field Pg M5 » Version: N/A
Siemens » Simatic Ipc477e Pro Firmware
cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc477e Pro » Version: N/A
Siemens » Simatic Ipc547g Firmware
cpe:2.3:o:siemens:simatic_ipc547g_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc547g » Version: N/A
Siemens » Simatic Field Pg M6 Firmware
cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Field Pg M6 » Version: N/A
Siemens » Simatic Ipc627e Firmware
Versions before (<) 25.02.10
cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc627e » Version: N/A
Siemens » Simatic Ipc647e Firmware
Versions before (<) 25.02.10
cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc647e » Version: N/A
Siemens » Simatic Ipc677e Firmware
Versions before (<) 25.02.10
cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc677e » Version: N/A
Siemens » Simatic Ipc847e Firmware
Versions before (<) 25.02.10
cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc847e » Version: N/A
Siemens » Simatic Ipc527g Firmware
cpe:2.3:o:siemens:simatic_ipc527g_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Simatic Ipc527g » Version: N/A
Intel » Local Manageability Service
Versions before (<) 2039.1.0.0
cpe:2.3:a:intel:local_manageability_service:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-8704

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-8704

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.4	MEDIUM	AV:L/AC:M/Au:N/C:P/I:P/A:P	3.4	6.4	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.4	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H	0.5	5.9	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-8704

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-8704

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html

INTEL-SA-00459
Vendor Advisory

CVEs referencing this url
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf

Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-8704

Products affected by CVE-2020-8704

Exploit prediction scoring system (EPSS) score for CVE-2020-8704

CVSS scores for CVE-2020-8704

CWE ids for CVE-2020-8704

References for CVE-2020-8704