CVE-2020-8705 [Medium] | Security Vulnerability in Converged Security And Ma…

Insecure default initialization of resource in Intel(R) Boot Guard in Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25, Intel(R) TXE versions before 3.1.80 and 4.0.30, Intel(R) SPS versions before E5_04.01.04.400, E3_04.01.04.200, SoC-X_04.00.04.200 and SoC-A_04.00.04.300 may allow an unauthenticated user to potentially enable escalation of privileges via physical access.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.72%	0.52%	-0.21%
2	2026-03-04	0.26%	0.72%	+0.47%
3	2026-03-01	—	0.26%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.72%

0.52%

-0.21%

2026-03-04

0.26%

0.72%

+0.47%

2026-03-01

—

0.26%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.8	3.1	MEDIUM	`CVSS:3.1/AV:P/AC:L/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:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. 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.	0.9	5.9	[email protected]
4.6	2.0	MEDIUM	`AV:L/AC:L/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:L) Exploitation conditions are straightforward and predictable. 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.	3.9	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.8

3.1

MEDIUM

CVSS:3.1/AV:P/AC:L/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:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
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.

0.9

5.9

[email protected]

4.6

2.0

MEDIUM

AV:L/AC:L/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:L): Exploitation conditions are straightforward and predictable.
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.

3.9

6.4

[email protected]

Affected software / configurations for CVE-2020-8705

Vendor	Product	Version	Raw CPE
intel	converged_security_and_manageability_engine	< 11.8.80	cpe:2.3:a:intel:converged_security_and_manageability_engine::::::::
intel	converged_security_and_manageability_engine	>= 11.12.0, < 11.12.80	cpe:2.3:a:intel:converged_security_and_manageability_engine::::::::
intel	converged_security_and_manageability_engine	>= 11.22.0, < 11.22.80	cpe:2.3:a:intel:converged_security_and_manageability_engine::::::::
intel	converged_security_and_manageability_engine	>= 12.0, < 12.0.70	cpe:2.3:a:intel:converged_security_and_manageability_engine::::::::
intel	converged_security_and_manageability_engine	>= 13.0, < 13.0.40	cpe:2.3:a:intel:converged_security_and_manageability_engine::::::::
intel	converged_security_and_manageability_engine	>= 13.30.0, < 13.30.10	cpe:2.3:a:intel:converged_security_and_manageability_engine::::::::
intel	converged_security_and_manageability_engine	>= 14.0, < 14.0.45	cpe:2.3:a:intel:converged_security_and_manageability_engine::::::::
intel	trusted_execution_technology	3.1.80	cpe:2.3:a:intel:trusted_execution_technology:3.1.80:::::::*
intel	trusted_execution_technology	4.0.30	cpe:2.3:a:intel:trusted_execution_technology:4.0.30:::::::*
intel	server_platform_services	sps_e3_04.01.04.200	cpe:2.3:a:intel:server_platform_services:sps_e3_04.01.04.200:::::::*
intel	server_platform_services	sps_e5_04.01.04.400	cpe:2.3:a:intel:server_platform_services:sps_e5_04.01.04.400:::::::*
intel	server_platform_services	sps_soc-a_04.00.04.300	cpe:2.3:a:intel:server_platform_services:sps_soc-a_04.00.04.300:::::::*
intel	server_platform_services	sps_soc-x_04.00.04.200	cpe:2.3:a:intel:server_platform_services:sps_soc-x_04.00.04.200:::::::*

References for CVE-2020-8705

URL	Tags
https://security.netapp.com/advisory/ntap-20201113-0002/	Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0004/	Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0005/	Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391	Vendor Advisory

URL

CVE-2020-8705

Exploit prediction scoring system (EPSS) score for CVE-2020-8705

Common vulnerability scoring system (CVSS) metrics for CVE-2020-8705

Weakness enumeration for CVE-2020-8705

Affected software / configurations for CVE-2020-8705

References for CVE-2020-8705