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

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HIGH 7.5DOWNGRADE

CVE-2005-3063 is a high-severity flaw (CVSS 7.5) affecting mailgust. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in MailGust 1.9 allows remote attackers to execute arbitrary SQL commands via the email field on the password reminder page.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Published	2005-09-27
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

2005-09-27 19:03 UTCPublished CVE record published
2026-06-16 22:16 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.

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: MailGust 1.9 - Board Takeover (SQL Injection)

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-2005-3063?

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

Is CVE-2005-3063 being exploited?

CVE-2005-3063 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-2005-3063 affect?

CVE-2005-3063 affects mailgust. Severity is high (CVSS 7.5). SQL injection vulnerability in MailGust 1.9 allows remote attackers to execute arbitrary SQL commands via the email field on the password reminder page.

How urgent is CVE-2005-3063?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2006-0937 MEDIUM 5.0 DOWNGRADE U.N.U

References

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