CVE-2019-6957 [Critical] | Out-of-bounds Write in Access Professional Edition

A recently discovered security vulnerability affects all Bosch Video Management System (BVMS) versions 9.0 and below, DIVAR IP 2000, 3000, 5000 and 7000, Video Recording Manager (VRM), Video Streaming Gateway (VSG), Configuration Manager, Building Integration System (BIS) with Video Engine, Access Professional Edition (APE), Access Easy Controller (AEC), Bosch Video Client (BVC) and Video SDK (VSDK). The vulnerability potentially allows the unauthorized execution of code in the system via the network interface.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	1.10%	1.99%	+0.89%
2	2025-03-30	3.82%	1.10%	-2.73%
3	2025-03-29	—	3.82%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

1.10%

1.99%

+0.89%

2025-03-30

3.82%

1.10%

-2.73%

2025-03-29

—

3.82%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. 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.	3.9	5.9	[email protected]
9.8	3.0	CRITICAL	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. 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.	3.9	5.9	[email protected]
7.5	2.0	HIGH	`AV:N/AC:L/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. 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.	10.0	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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.

3.9

5.9

[email protected]

9.8

3.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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.

3.9

5.9

[email protected]

7.5

2.0

HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
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.

10.0

6.4

[email protected]

Affected software / configurations for CVE-2019-6957

Vendor	Product	Version	Raw CPE
bosch	access_professional_edition	>= 3.0, <= 3.7	cpe:2.3:a:bosch:access_professional_edition::::::::
bosch	bosch_video_client	< 1.7.6.079	cpe:2.3:a:bosch:bosch_video_client::::::::
bosch	bosch_video_management_system	<= 9.0	cpe:2.3:a:bosch:bosch_video_management_system::::::::
bosch	building_integration_system	>= 2.2, <= 4.4	cpe:2.3:a:bosch:building_integration_system::::::::
bosch	building_integration_system	4.5	cpe:2.3:a:bosch:building_integration_system:4.5:::::::*
bosch	building_integration_system	4.6	cpe:2.3:a:bosch:building_integration_system:4.6:::::::*
bosch	building_integration_system	4.6.1	cpe:2.3:a:bosch:building_integration_system:4.6.1:::::::*
bosch	configuration_manager	< 6.10	cpe:2.3:a:bosch:configuration_manager::::::::
bosch	video_recording_manager	< 3.71.0032	cpe:2.3:a:bosch:video_recording_manager::::::::
bosch	video_recording_manager	>= 3.81, < 3.81.0048	cpe:2.3:a:bosch:video_recording_manager::::::::
bosch	video_sdk	< 6.32.0099	cpe:2.3:a:bosch:video_sdk::::::::
bosch	video_streaming_gateway	< 6.43.0023	cpe:2.3:a:bosch:video_streaming_gateway::::::::
bosch	video_streaming_gateway	>= 6.45, < 6.45.0008	cpe:2.3:a:bosch:video_streaming_gateway::::::::
bosch	dip_2000_firmware	< 0380.037	cpe:2.3:o:bosch:dip_2000_firmware::::::::
bosch	dip_3000_firmware	—	cpe:2.3:o:bosch:dip_3000_firmware:-:::::::*
bosch	dip_5000_firmware	< 038.037	cpe:2.3:o:bosch:dip_5000_firmware::::::::
bosch	dip_7000_firmware	—	cpe:2.3:o:bosch:dip_7000_firmware:-:::::::*
bosch	access_easy_controller_firmware	2.1.8.5	cpe:2.3:o:bosch:access_easy_controller_firmware:2.1.8.5:::::::*
bosch	access_easy_controller_firmware	2.1.9.0	cpe:2.3:o:bosch:access_easy_controller_firmware:2.1.9.0:::::::*
bosch	access_easy_controller_firmware	2.1.9.1	cpe:2.3:o:bosch:access_easy_controller_firmware:2.1.9.1:::::::*
bosch	access_easy_controller_firmware	2.1.9.3	cpe:2.3:o:bosch:access_easy_controller_firmware:2.1.9.3:::::::*

References for CVE-2019-6957

URL	Tags
https://media.boschsecurity.com/fs/media/pb/security_advisories/bosch-2019-0403bt-cve-2019-6957_security_advisory_software_buffer_overflow.pdf	Vendor Advisory

URL

CVE-2019-6957 | Buffer Overflow for Bosch Video Systems, PSIM and Access Control Systems

Exploit prediction scoring system (EPSS) score for CVE-2019-6957

Common vulnerability scoring system (CVSS) metrics for CVE-2019-6957

Weakness enumeration for CVE-2019-6957

Affected software / configurations for CVE-2019-6957

References for CVE-2019-6957