CVE-2006-0213: Kolab Server 2.0.1, 2.0.2 and development versions pre-2.1-20051215 and earlier, when authenticating users via

Q: How do I fix CVE-2006-0213?

kolab groupware server: upgrade to newer than 2005-12-15_pre2.1. Exact commands for each OS are on this page.

Q: Is CVE-2006-0213 being exploited?

CVE-2006-0213 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-0213 affect?

CVE-2006-0213 affects kolab groupware server. Severity is medium (CVSS 4.6). Kolab Server 2.0.1, 2.0.2 and development versions pre-2.1-20051215 and earlier, when authenticating users via secure SMTP, stores authentication credentials in plaintext in the postfix.log file, which allows local users to gain privileges.

Q: How urgent is CVE-2006-0213?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 4.6UPGRADE

CVE-2006-0213 is a medium-severity flaw (CVSS 4.6) affecting kolab groupware server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kolab Server 2.0.1, 2.0.2 and development versions pre-2.1-20051215 and earlier, when authenticating users via secure SMTP, stores authentication credentials in plaintext in the postfix.log file, which allows local users to gain privileges.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Published	2006-01-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: kolab

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

Am I affected?

Timeline

2006-01-14 01:03 UTCPublished CVE record published
2026-06-16 22:20 UTCUpdated Record last modified

kolab kolab groupware server UPGRADE

Affected: <= 2005-12-15_pre2.1 · 2.0.1 · 2.0.2

Fixed in: newer than 2005-12-15_pre2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kolab-groupware-server || rpm -q kolab-groupware-server || kolab-groupware-server --version

2. UPGRADE to newer than 2005-12-15_pre2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kolab-groupware-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kolab-groupware-server

Note

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

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-2006-0213?

kolab groupware server: upgrade to newer than 2005-12-15_pre2.1. Exact commands for each OS are on this page.

Is CVE-2006-0213 being exploited?

CVE-2006-0213 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-2006-0213 affect?

CVE-2006-0213 affects kolab groupware server. Severity is medium (CVSS 4.6). Kolab Server 2.0.1, 2.0.2 and development versions pre-2.1-20051215 and earlier, when authenticating users via secure SMTP, stores authentication credentials in plaintext in the postfix.log file, which allows local users to gain privileges.

How urgent is CVE-2006-0213?

Priority 23/100. No elevated risk signals yet.

Software pages

Postfix vulnerabilities

Related CVEs

CVE-2008-4165 MEDIUM 4.0 DOWNGRADE admin/user/create_user.php in Kolab Groupware Server 1.0.0 places a user password in an HTTP GET request, whic
CVE-2005-4828 MEDIUM 6.4 DOWNGRADE Kolab Server 2.0.0 and 2.0.1 does not properly handle when a large email is sent with a "." in the wrong place
CVE-2004-1997 MEDIUM 4.6 DOWNGRADE DOWNGRADE Kolab stores OpenLDAP passwords in plaintext in the slapd.conf file, which may be installed world-readable, wh

References

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