CVE-2021-23861: By executing a special command, an user with administrative rights can get access to extended debug functional

Routine

MEDIUM 6.5UPGRADEUPGRADE

CVE-2021-23861 is a medium-severity flaw (CVSS 6.5) affecting bosch video management system, video recording manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

By executing a special command, an user with administrative rights can get access to extended debug functionality on the VRM allowing an impact on integrity or availability of the installed software. This issue also affects installations of the DIVAR IP and BVMS with VRM installed.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-489
Published	2021-12-08
Last modified	2026-06-17

Publisher (CNA): Robert Bosch GmbH · Vendor: bosch

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-12-08 22:15 UTCPublished CVE record published
2026-06-17 03:38 UTCUpdated Record last modified

bosch bosch video management system UPGRADE

Affected: <= 9.0 · >= 10.0 and < 10.0.2 · 10.1 · 11.0

Fixed in: 10.0.2

Safe to downgrade to: a release before 10.0

1. Check installed version

apt-cache policy bosch-video-management-system || rpm -q bosch-video-management-system || bosch-video-management-system --version

2. UPGRADE to 10.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bosch-video-management-system

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bosch-video-management-system

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 10.0 (Debian / Ubuntu)

apt-cache madison bosch-video-management-system sudo apt install bosch-video-management-system=<VERSION_BEFORE_10.0> sudo apt-mark hold bosch-video-management-system

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bosch-video-management-system sudo dnf downgrade bosch-video-management-system-<VERSION_BEFORE_10.0> sudo dnf versionlock add bosch-video-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

bosch video recording manager UPGRADE

Affected: <= 3.81 · >= 3.82 and <= 3.82.0057 · >= 3.83 and <= 3.83.0021 · >= 4.0 and <= 4.00.0070

Fixed in: newer than 4.00.0070

Safe to downgrade to: a release before 3.82

1. Check installed version

apt-cache policy video-recording-manager || rpm -q video-recording-manager || video-recording-manager --version

2. UPGRADE to newer than 4.00.0070 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade video-recording-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade video-recording-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 3.82 (Debian / Ubuntu)

apt-cache madison video-recording-manager sudo apt install video-recording-manager=<VERSION_BEFORE_3.82> sudo apt-mark hold video-recording-manager

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list video-recording-manager sudo dnf downgrade video-recording-manager-<VERSION_BEFORE_3.82> sudo dnf versionlock add video-recording-manager

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-23861?

bosch video management system: upgrade to 10.0.2; video recording manager: upgrade to newer than 4.00.0070. Exact commands for each OS are on this page.

Is CVE-2021-23861 being exploited?

CVE-2021-23861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-23861 affect?

CVE-2021-23861 affects bosch video management system, video recording manager. Severity is medium (CVSS 6.5). By executing a special command, an user with administrative rights can get access to extended debug functionality on the VRM allowing an impact on integrity or availability of the installed software. This issue also affects installations of

How urgent is CVE-2021-23861?

Priority 37/100. No elevated risk signals yet.

Related CVEs

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CVE-2021-23862 HIGH 7.2 UPGRADE UPGRADE A crafted configuration packet sent by an authenticated administrative user can be used to execute arbitrary c
CVE-2021-23860 MEDIUM 5.0 UPGRADE UPGRADE An error in a page handler of the VRM may lead to a reflected cross site scripting (XSS) in the web-based inte
CVE-2021-23859 CRITICAL 9.1 UPGRADE UPGRADE An unauthenticated attacker is able to send a special HTTP request, that causes a service to crash

References

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