How severe is CVE-2023-35867?

CVE-2023-35867 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-35867 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-35867?

CVE-2023-35867 primarily affects Bosch Building Integration System Video Engine. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-35867?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-35867 published?

CVE-2023-35867 was published on 2023-12-18 and last updated on 2026-06-17.

CVE-2023-35867

CVE-2023-35867 is a medium-severity vulnerability in Bosch Building Integration System Video Engine with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-703.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-703
Affected product: Bosch Building Integration System Video Engine
Published: 2023-12-18
Last modified: 2026-06-17

Description

An improper handling of a malformed API answer packets to API clients in Bosch BT software products can allow an unauthenticated attacker to cause a Denial of Service (DoS) situation. To exploit this vulnerability an attacker has to replace an existing API server e.g. through Man-in-the-Middle attacks.

Frequently asked questions

What is CVE-2023-35867?: An improper handling of a malformed API answer packets to API clients in Bosch BT software products can allow an unauthenticated attacker to cause a Denial of Service (DoS) situation. To exploit this vulnerability an attacker has to replace an existing API server e.g. through Man-in-the-Middle attacks.
How severe is CVE-2023-35867?: CVE-2023-35867 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-35867 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-35867?: CVE-2023-35867 primarily affects Bosch Building Integration System Video Engine. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-35867?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-35867 published?: CVE-2023-35867 was published on 2023-12-18 and last updated on 2026-06-17.

References

https://psirt.bosch.com/security-advisories/BOSCH-SA-092656-BT.html

Affected products (14)

cpe:2.3:a:bosch:building_integration_system_video_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:bosch:bosch_video_management_system:*:*:*:*:*:*:*:*
cpe:2.3:a:bosch:video_management_system_viewer:*:*:*:*:*:*:*:*
cpe:2.3:a:bosch:configuration_manager:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:divar_ip_7000_r2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:divar_ip_all-in-one_4000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:divar_ip_all-in-one_5000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:divar_ip_all-in-one_6000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:divar_ip_all-in-one_7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:divar_ip_all-in-one_7000_r3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:bosch:intelligent_insights:*:*:*:*:*:*:*:*
cpe:2.3:a:bosch:_onvif_camera_event_driver_tool:*:*:*:*:*:*:*:*
cpe:2.3:a:bosch:project_assistant:*:*:*:*:*:*:*:*
cpe:2.3:a:bosch:video_security_client:*:*:*:*:*:*:*:*

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