CVE-2004-2071: Macallan Mail Solution 2.8.4.6 (Build 260), and possibly earlier versions, allows remote attackers to bypass a

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HIGH 7.5DOWNGRADE

CVE-2004-2071 is a high-severity flaw (CVSS 7.5) affecting mail solution. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Macallan Mail Solution 2.8.4.6 (Build 260), and possibly earlier versions, allows remote attackers to bypass authentication in the web interface via an HTTP GET request with two slashes ("//") after the server name.

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	3.5% (top 11%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: macallan

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

macallan mail solution DOWNGRADE

Affected: 2.8.4.6_build_260

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.8.4.6_build_260

1. Check installed version

apt-cache policy mail-solution || rpm -q mail-solution || mail-solution --version

2. No fixed release: DOWNGRADE to a release before 2.8.4.6_build_260 (Debian / Ubuntu)

apt-cache madison mail-solution sudo apt install mail-solution=<VERSION_BEFORE_2.8.4.6_build_260> sudo apt-mark hold mail-solution

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

dnf --showduplicates list mail-solution sudo dnf downgrade mail-solution-<VERSION_BEFORE_2.8.4.6_build_260> sudo dnf versionlock add mail-solution

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: Macallan Mail Solution Macallan Mail Solution 2.8.4.6 (Build 260) - Web Interface Authentication Bypass

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-2004-2071?

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

Is CVE-2004-2071 being exploited?

CVE-2004-2071 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-2004-2071 affect?

CVE-2004-2071 affects mail solution. Severity is high (CVSS 7.5). Macallan Mail Solution 2.8.4.6 (Build 260), and possibly earlier versions, allows remote attackers to bypass authentication in the web interface via an HTTP GET request with two slashes ("//") after the server name.

How urgent is CVE-2004-2071?

Priority 54/100. High severity; Public exploit reference

Related CVEs

CVE-2006-0798 MEDIUM 5.5 UPGRADE Multiple directory traversal vulnerabilities in the IMAP service in Macallan Mail Solution before 4.8.05.004 a

References

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