CVE-2006-2705: Secure Elements Class 5 AVR server (aka C5 EVM) before 2.8.1 allows remote attackers to cause an unspecified d

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-2705 is a medium-severity flaw (CVSS 5.0) affecting c5 enterprise vulnerability management. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Secure Elements Class 5 AVR server (aka C5 EVM) before 2.8.1 allows remote attackers to cause an unspecified denial of service via a large number of forged client registration messages.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Published	2006-05-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: secure elements

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

Am I affected?

Timeline

2006-05-31 22:02 UTCPublished CVE record published
2026-06-16 22:25 UTCUpdated Record last modified

secure elements c5 enterprise vulnerability management DOWNGRADE

Affected: 2.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.8.0

1. Check installed version

apt-cache policy c5-enterprise-vulnerability-management || rpm -q c5-enterprise-vulnerability-management || c5-enterprise-vulnerability-management --version

2. No fixed release: DOWNGRADE to a release before 2.8.0 (Debian / Ubuntu)

apt-cache madison c5-enterprise-vulnerability-management sudo apt install c5-enterprise-vulnerability-management=<VERSION_BEFORE_2.8.0> sudo apt-mark hold c5-enterprise-vulnerability-management

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

dnf --showduplicates list c5-enterprise-vulnerability-management sudo dnf downgrade c5-enterprise-vulnerability-management-<VERSION_BEFORE_2.8.0> sudo dnf versionlock add c5-enterprise-vulnerability-management

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-2006-2705?

c5 enterprise vulnerability management: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-2705 being exploited?

CVE-2006-2705 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-2006-2705 affect?

CVE-2006-2705 affects c5 enterprise vulnerability management. Severity is medium (CVSS 5.0). Secure Elements Class 5 AVR server (aka C5 EVM) before 2.8.1 allows remote attackers to cause an unspecified denial of service via a large number of forged client registration messages.

How urgent is CVE-2006-2705?

Priority 38/100. No elevated risk signals yet.

Related CVEs

CVE-2006-2717 MEDIUM 4.0 MITIGATE Unspecified vulnerability in Secure Elements Class 5 AVR client and server (aka C5 EVM) before 2.8.1 allows au
CVE-2006-2716 HIGH 7.5 MITIGATE Secure Elements Class 5 AVR server (aka C5 EVM) before 2.8.1 uses a hard-coded user ID and password, which all
CVE-2006-2715 HIGH 7.5 MITIGATE The Administration Console in Secure Elements Class 5 AVR (aka C5 EVM) before 2.8.1 does not enforce access co
CVE-2006-2714 MEDIUM 5.0 MITIGATE Secure Elements Class 5 AVR client (aka C5 EVM) before 2.8.1 does not validate the CEID of an incoming message
CVE-2006-2713 MEDIUM 5.0 MITIGATE Secure Elements Class 5 AVR client (aka C5 EVM) before 2.8.1 generates predictable CEIDs, which allows remote

References

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