CVE-2006-0306: The DM Primer (dmprimer.exe) in the DM Deployment Common Component in Computer Associates (CA) BrightStor Mobi

This week

MEDIUM 5.0DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2006-0306 is a medium-severity flaw (CVSS 5.0) affecting brightstor arcserve backup laptops desktops, brightstor mobile backup, business protection suite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The DM Primer (dmprimer.exe) in the DM Deployment Common Component in Computer Associates (CA) BrightStor Mobile Backup r4.0, BrightStor ARCserve Backup for Laptops & Desktops r11.0, r11.1, r11.1 SP1, Unicenter Remote Control 6.0, 6.0 SP1, CA Desktop Protection Suite r2, CA Server Protection Suite r2, and CA Business Protection Suite r2 allows remote attackers to cause a denial of service (CPU consumption or application hang) via a large network

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	12.2% (top 4%)
CISA exploited list	No
Weakness	CWE-399
Published	2006-01-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: broadcom

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-01-19 00:03 UTCPublished CVE record published
2026-06-16 22:20 UTCUpdated Record last modified

broadcom brightstor arcserve backup laptops desktops DOWNGRADE

Affected: 11.0 · 11.1 · 11.1 sp1

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.0

1. Check installed version

apt-cache policy brightstor-arcserve-backup-laptops-desktops || rpm -q brightstor-arcserve-backup-laptops-desktops || brightstor-arcserve-backup-laptops-desktops --version

2. No fixed release: DOWNGRADE to a release before 11.0 (Debian / Ubuntu)

apt-cache madison brightstor-arcserve-backup-laptops-desktops sudo apt install brightstor-arcserve-backup-laptops-desktops=<VERSION_BEFORE_11.0> sudo apt-mark hold brightstor-arcserve-backup-laptops-desktops

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list brightstor-arcserve-backup-laptops-desktops sudo dnf downgrade brightstor-arcserve-backup-laptops-desktops-<VERSION_BEFORE_11.0> sudo dnf versionlock add brightstor-arcserve-backup-laptops-desktops

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.

broadcom brightstor mobile backup DOWNGRADE

Affected: r4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before r4.0

1. Check installed version

apt-cache policy brightstor-mobile-backup || rpm -q brightstor-mobile-backup || brightstor-mobile-backup --version

2. No fixed release: DOWNGRADE to a release before r4.0 (Debian / Ubuntu)

apt-cache madison brightstor-mobile-backup sudo apt install brightstor-mobile-backup=<VERSION_BEFORE_r4.0> sudo apt-mark hold brightstor-mobile-backup

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list brightstor-mobile-backup sudo dnf downgrade brightstor-mobile-backup-<VERSION_BEFORE_r4.0> sudo dnf versionlock add brightstor-mobile-backup

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.

broadcom business protection suite DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy business-protection-suite || rpm -q business-protection-suite || business-protection-suite --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison business-protection-suite sudo apt install business-protection-suite=<VERSION_BEFORE_2.0> sudo apt-mark hold business-protection-suite

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list business-protection-suite sudo dnf downgrade business-protection-suite-<VERSION_BEFORE_2.0> sudo dnf versionlock add business-protection-suite

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.

broadcom desktop protection suite DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy desktop-protection-suite || rpm -q desktop-protection-suite || desktop-protection-suite --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison desktop-protection-suite sudo apt install desktop-protection-suite=<VERSION_BEFORE_2.0> sudo apt-mark hold desktop-protection-suite

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list desktop-protection-suite sudo dnf downgrade desktop-protection-suite-<VERSION_BEFORE_2.0> sudo dnf versionlock add desktop-protection-suite

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.

broadcom server protection suite DOWNGRADE

Affected: 2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2

1. Check installed version

apt-cache policy server-protection-suite || rpm -q server-protection-suite || server-protection-suite --version

2. No fixed release: DOWNGRADE to a release before 2 (Debian / Ubuntu)

apt-cache madison server-protection-suite sudo apt install server-protection-suite=<VERSION_BEFORE_2> sudo apt-mark hold server-protection-suite

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list server-protection-suite sudo dnf downgrade server-protection-suite-<VERSION_BEFORE_2> sudo dnf versionlock add server-protection-suite

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.

broadcom unicenter remote control DOWNGRADE

Affected: 5.2 · 6.0 · 6.0 sp1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.2

1. Check installed version

apt-cache policy unicenter-remote-control || rpm -q unicenter-remote-control || unicenter-remote-control --version

2. No fixed release: DOWNGRADE to a release before 5.2 (Debian / Ubuntu)

apt-cache madison unicenter-remote-control sudo apt install unicenter-remote-control=<VERSION_BEFORE_5.2> sudo apt-mark hold unicenter-remote-control

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list unicenter-remote-control sudo dnf downgrade unicenter-remote-control-<VERSION_BEFORE_5.2> sudo dnf versionlock add unicenter-remote-control

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Computer Associates Unicenter 6.0 - Remote Control DM Primer Remote Denial of Service

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-2006-0306?

brightstor arcserve backup laptops desktops: downgrade or apply the listed mitigation; brightstor mobile backup: downgrade or apply the listed mitigation; business protection suite: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-0306 being exploited?

CVE-2006-0306 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-2006-0306 affect?

CVE-2006-0306 affects brightstor arcserve backup laptops desktops, brightstor mobile backup, business protection suite. Severity is medium (CVSS 5.0). The DM Primer (dmprimer.exe) in the DM Deployment Common Component in Computer Associates (CA) BrightStor Mobile Backup r4.0, BrightStor ARCserve Backup for Laptops & Desktops r11.0, r11.1, r11.1 SP1, Unicenter Remote Control 6.0, 6.0 SP1,

How urgent is CVE-2006-0306?

Priority 47/100. EPSS top 4%: very likely to be exploited; Public exploit reference

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References

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