CVE-2005-2472: Multiple buffer overflows in BusinessMail 4.60.00 allow remote attackers to cause a denial of service (applica

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MEDIUM 5.0DOWNGRADE

CVE-2005-2472 is a medium-severity flaw (CVSS 5.0) affecting businessmail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in BusinessMail 4.60.00 allow remote attackers to cause a denial of service (application crash) via a long string to SMTP (1) HELO or (2) MAIL FROM commands.

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	4.6% (top 8%)
CISA exploited list	No
Published	2005-08-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: netcplus

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

Am I affected?

Timeline

2005-08-05 04:00 UTCPublished CVE record published
2026-06-16 22:14 UTCUpdated Record last modified

netcplus businessmail DOWNGRADE

Affected: 4.60.00

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.60.00

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.60.00 (Debian / Ubuntu)

apt-cache madison businessmail sudo apt install businessmail=<VERSION_BEFORE_4.60.00> sudo apt-mark hold businessmail

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

dnf --showduplicates list businessmail sudo dnf downgrade businessmail-<VERSION_BEFORE_4.60.00> sudo dnf versionlock add businessmail

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: BusinessMail Server 4.60.00 - Remote Buffer Overflow
Exploit-DB: BusinessMail Server 4.60.00 - Remote Denial of Service

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-2005-2472?

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

Is CVE-2005-2472 being exploited?

CVE-2005-2472 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-2005-2472 affect?

CVE-2005-2472 affects businessmail. Severity is medium (CVSS 5.0). Multiple buffer overflows in BusinessMail 4.60.00 allow remote attackers to cause a denial of service (application crash) via a long string to SMTP (1) HELO or (2) MAIL FROM commands.

How urgent is CVE-2005-2472?

Priority 45/100. EPSS top 8%: very likely to be exploited; Public exploit reference

References

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