CVE-2020-24506

Out of bound read in a subsystem in the Intel(R) CSME versions before 12.0.81, 13.0.47, 13.30.17, 14.1.53 and 14.5.32 may allow a privileged user to potentially enable information disclosure via local access.

Published: 2021-06-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-24506 is rated Low Risk (24.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.28%). 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-2020-24506

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 0.17% 0.28% +0.11%
2 2025-11-21 0.07% 0.17% +0.09%
3 2025-11-18 — 0.07% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-24506

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
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:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 0.8 3.6 [email protected]
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2020-24506

Affected software / configurations for CVE-2020-24506

Vendor Product Version Raw CPE
intel converged_security_and_manageability_engine < 12.0.81 cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:*
intel converged_security_and_manageability_engine < 13.0.47 cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:*
intel converged_security_and_manageability_engine < 13.30.17 cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:*
intel converged_security_and_manageability_engine < 14.1.53 cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:*
intel converged_security_and_manageability_engine < 14.5.32 cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:*
siemens simatic_field_pg_m6_firmware — cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:*
siemens simatic_ipc627e_firmware < 25.02.10 cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:*
siemens simatic_ipc647e_firmware < 25.02.10 cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:*
siemens simatic_ipc677e_firmware < 25.02.10 cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:*
siemens simatic_ipc847e_firmware < 25.02.10 cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:*

References for CVE-2020-24506

cvelogic Threat Intelligence