CVE-2006-4258: Absolute path traversal vulnerability in the get functionality in Anti-Spam SMTP Proxy (ASSP) allows remote au

Routine

MEDIUM 4.0DOWNGRADE

CVE-2006-4258 is a medium-severity flaw (CVSS 4.0) affecting anti-spam smtp proxy server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Absolute path traversal vulnerability in the get functionality in Anti-Spam SMTP Proxy (ASSP) allows remote authenticated users to read arbitrary files via (1) C:\ (Windows drive letter), (2) UNC, and possibly other types of paths in the file parameter.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.0 (Medium)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2006-08-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: john hanna

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

Am I affected?

Timeline

2006-08-21 20:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

john hanna anti-spam smtp proxy server DOWNGRADE

Affected: 1.2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.3

1. Check installed version

apt-cache policy anti-spam-smtp-proxy-server || rpm -q anti-spam-smtp-proxy-server || anti-spam-smtp-proxy-server --version

2. No fixed release: DOWNGRADE to a release before 1.2.3 (Debian / Ubuntu)

apt-cache madison anti-spam-smtp-proxy-server sudo apt install anti-spam-smtp-proxy-server=<VERSION_BEFORE_1.2.3> sudo apt-mark hold anti-spam-smtp-proxy-server

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

dnf --showduplicates list anti-spam-smtp-proxy-server sudo dnf downgrade anti-spam-smtp-proxy-server-<VERSION_BEFORE_1.2.3> sudo dnf versionlock add anti-spam-smtp-proxy-server

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-2006-4258?

anti-spam smtp proxy server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-4258 being exploited?

CVE-2006-4258 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-2006-4258 affect?

CVE-2006-4258 affects anti-spam smtp proxy server. Severity is medium (CVSS 4.0). Absolute path traversal vulnerability in the get functionality in Anti-Spam SMTP Proxy (ASSP) allows remote authenticated users to read arbitrary files via (1) C:\ (Windows drive letter), (2) UNC, and possibly other types of paths in the fi

How urgent is CVE-2006-4258?

Priority 30/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities

References

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