CVE-2006-0937: U.N.U

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-0937 is a medium-severity flaw (CVSS 5.0) affecting mailgust. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

U.N.U. Mailgust 1.9 allows remote attackers to obtain sensitive information via a direct request to index.php with method=showfullcsv, which reveals the POP3 server configuration, including account name and password.

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	2.1% (top 19%)
CISA exploited list	No
Published	2006-02-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: unu networks

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

Am I affected?

Timeline

2006-02-28 11:02 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

unu networks mailgust DOWNGRADE

Affected: 1.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9

1. Check installed version

apt-cache policy mailgust || rpm -q mailgust || mailgust --version

2. No fixed release: DOWNGRADE to a release before 1.9 (Debian / Ubuntu)

apt-cache madison mailgust sudo apt install mailgust=<VERSION_BEFORE_1.9> sudo apt-mark hold mailgust

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

dnf --showduplicates list mailgust sudo dnf downgrade mailgust-<VERSION_BEFORE_1.9> sudo dnf versionlock add mailgust

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-2006-0937?

mailgust: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-0937 being exploited?

CVE-2006-0937 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-2006-0937 affect?

CVE-2006-0937 affects mailgust. Severity is medium (CVSS 5.0). U.N.U. Mailgust 1.9 allows remote attackers to obtain sensitive information via a direct request to index.php with method=showfullcsv, which reveals the POP3 server configuration, including account name and password.

How urgent is CVE-2006-0937?

Priority 38/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2005-3063 HIGH 7.5 DOWNGRADE SQL injection vulnerability in MailGust 1.9 allows remote attackers to execute arbitrary SQL commands via the

References

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