6.4
MEDIUM
CVE-2020-8704
"Intel LMS Privilege Escalation Vulnerability"
Description

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.

INFO

Published Date :

June 9, 2021, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 5:39 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.5
Affected Products

The following products are affected by CVE-2020-8704 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens simatic_field_pg_m5_firmware
2 Siemens simatic_ipc427e_firmware
3 Siemens simatic_ipc477e_firmware
4 Siemens simatic_itp1000_firmware
5 Siemens simatic_field_pg_m6_firmware
6 Siemens simatic_ipc477e_pro_firmware
7 Siemens simatic_ipc547g_firmware
8 Siemens simatic_ipc627e_firmware
9 Siemens simatic_ipc647e_firmware
10 Siemens simatic_ipc677e_firmware
11 Siemens simatic_ipc847e_firmware
12 Siemens simatic_ipc527g_firmware
13 Siemens simatic_field_pg_m5
14 Siemens simatic_field_pg_m6
15 Siemens simatic_ipc427e
16 Siemens simatic_ipc477e
17 Siemens simatic_ipc627e
18 Siemens simatic_ipc647e
19 Siemens simatic_ipc677e
20 Siemens simatic_ipc847e
21 Siemens simatic_itp1000
22 Siemens simatic_ipc477e_pro
23 Siemens simatic_ipc547g
24 Siemens simatic_ipc527g
1 Intel local_manageability_service
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8704.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8704 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8704 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf
    Added Reference https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 22, 2022

    Action Type Old Value New Value
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_field_pg_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_field_pg_m6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_ipc427e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_ipc477e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_ipc477e_pro:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc527g_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_ipc527g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc547g_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_ipc547g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 25.02.10 OR cpe:2.3:h:siemens:simatic_ipc627e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 25.02.10 OR cpe:2.3:h:siemens:simatic_ipc647e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 25.02.10 OR cpe:2.3:h:siemens:simatic_ipc677e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 25.02.10 OR cpe:2.3:h:siemens:simatic_ipc847e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_itp1000:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 10, 2021

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 28, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html No Types Assigned https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html Vendor Advisory
    Added CWE NIST CWE-362
    Added CPE Configuration OR *cpe:2.3:a:intel:local_manageability_service:*:*:*:*:*:*:*:* versions up to (excluding) 2039.1.0.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8704 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-8704 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10264

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability