CVE-2020-8755

Race condition in subsystem for Intel(R) CSME versions before 12.0.70 and 14.0.45, Intel(R) SPS versions before E5_04.01.04.400 and E3_05.01.04.200 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Published: 2020-11-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-8755 is rated Low Risk (32.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.27%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-8755

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.07% 0.27% +0.21%
2 2025-05-20 0.16% 0.07% -0.09%
3 2025-03-30 — 0.16% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-8755

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 3.1 MEDIUM
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:P)
Hands-on access—USB, keyboard, opening the case—not something you do purely over the wire.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 0.5 5.9 [email protected]
4.4 2.0 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 6.4 [email protected]

Weakness enumeration for CVE-2020-8755

Affected software / configurations for CVE-2020-8755

Vendor Product Version Raw CPE
intel converged_security_and_management_engine < 12.0.70 cpe:2.3:a:intel:converged_security_and_management_engine:*:*:*:*:*:*:*:*
intel converged_security_and_management_engine >= 14.0.0, < 14.0.45 cpe:2.3:a:intel:converged_security_and_management_engine:*:*:*:*:*:*:*:*
intel server_platform_services < e5_04.01.04.400 cpe:2.3:a:intel:server_platform_services:*:*:*:*:*:*:*:*
intel server_platform_services < e3_05.01.04.200 cpe:2.3:a:intel:server_platform_services:*:*:*:*:*:*:*:*

References for CVE-2020-8755

cvelogic Threat Intelligence