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CVE-2021-23859

24
FAUCET Score

CVE-2021-23859 describes a denial-of-service vulnerability affecting various Bosch products, including Access Easy Controller, Bosch Video Management System, and Video Recording Manager. An unauthenticated attacker can send a specially crafted HTTP request, causing the service to crash, with a CVSS v3.1 score of 7.5 (High). For standalone VRM or BVMS installations, this crash also enables further unauthenticated commands. While the vulnerability has a high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.0CPE matchmatch criteria
cpe:2.3:a:bosch:bosch_video_management_system:*:*:*:*:*:*:*:*
>= 10.0, < 10.0.2CPE matchmatch criteria
cpe:2.3:a:bosch:bosch_video_management_system:*:*:*:*:*:*:*:*
10.1CPE matchmatch criteria
cpe:2.3:a:bosch:bosch_video_management_system:10.1:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:a:bosch:bosch_video_management_system:11.0:*:*:*:*:*:*:*
<= 3.81CPE matchmatch criteria
cpe:2.3:a:bosch:video_recording_manager:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 33rd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

cephvendor investigatingvia llm_extracted
d-linkvendor investigatingvia llm_extracted
humansignalvendor investigatingvia llm_extracted
hyperledgervendor investigatingvia llm_extracted
m2teamvendor investigatingvia llm_extracted
roundcubevendor investigatingvia llm_extracted

Vendor Advisories (6)

hyperledgerllm-hyperledger-a2703bf5f9e53c36CRITICAL

Multiple Vulnerabilities in Bosch BT software products

Dec 8, 2021
roundcubellm-roundcube-7db6d133b1b03ba1CRITICAL

Multiple Vulnerabilities in Bosch BT software products

Dec 8, 2021
cephllm-ceph-1e85770d43ccc655CRITICAL

Multiple Vulnerabilities in Bosch BT software products

Dec 8, 2021
humansignalllm-humansignal-af5ad3b54ae2e091CRITICAL

Multiple Vulnerabilities in Bosch BT software products

Dec 8, 2021
d-linkllm-d-link-d434c77f21e0798aCRITICAL

Multiple Vulnerabilities in Bosch BT software products

Dec 8, 2021
m2teamllm-m2team-a2de3edc434883c1CRITICAL

Multiple Vulnerabilities in Bosch BT software products

Dec 8, 2021

References

psirt.bosch.com / security-advisories/bosch-sa-043434-bt.html
Vendor Advisory