CVE-2005-3430: Incomplete blacklist vulnerability in Rockliffe MailSite Express before 6.1.22 allows remote attackers to uplo

Q: How do I fix CVE-2005-3430?

mailsite express: upgrade to newer than 6.1.21. Exact commands for each OS are on this page.

Q: Is CVE-2005-3430 being exploited?

CVE-2005-3430 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2005-3430 affect?

CVE-2005-3430 affects mailsite express. Severity is high (CVSS 7.5). Incomplete blacklist vulnerability in Rockliffe MailSite Express before 6.1.22 allows remote attackers to upload and execute arbitrary script files by giving the files specific extensions, such as (1) .unk, (2) .asa, and possibly (3) .htr a

This month

HIGH 7.5UPGRADE

CVE-2005-3430 is a high-severity flaw (CVSS 7.5) affecting mailsite express. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incomplete blacklist vulnerability in Rockliffe MailSite Express before 6.1.22 allows remote attackers to upload and execute arbitrary script files by giving the files specific extensions, such as (1) .unk, (2) .asa, and possibly (3) .htr and (4) .aspx, which are not filtered like the .asp extension.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2005-11-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: rockliffe

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

Am I affected?

Timeline

2005-11-02 11:02 UTCPublished CVE record published
2026-06-16 22:16 UTCUpdated Record last modified

rockliffe mailsite express UPGRADE

Affected: <= 6.1.21 · 6.1.20

Fixed in: newer than 6.1.21

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mailsite-express || rpm -q mailsite-express || mailsite-express --version

2. UPGRADE to newer than 6.1.21 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mailsite-express

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mailsite-express

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2005-3430?

mailsite express: upgrade to newer than 6.1.21. Exact commands for each OS are on this page.

Is CVE-2005-3430 being exploited?

CVE-2005-3430 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-2005-3430 affect?

CVE-2005-3430 affects mailsite express. Severity is high (CVSS 7.5). Incomplete blacklist vulnerability in Rockliffe MailSite Express before 6.1.22 allows remote attackers to upload and execute arbitrary script files by giving the files specific extensions, such as (1) .unk, (2) .asa, and possibly (3) .htr a

How urgent is CVE-2005-3430?

Priority 46/100. High severity

Related CVEs

CVE-2005-3431 MEDIUM 5.0 UPGRADE Absolute path traversal vulnerability in Rockliffe MailSite Express before 6.1.22 allows remote attackers to r
CVE-2005-3429 MEDIUM 4.3 UPGRADE Rockliffe MailSite Express before 6.1.22, with the option to save login information enabled, saves user passwo
CVE-2005-3428 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in Rockliffe MailSite Express before 6.1.22 allows remote attackers t
CVE-2005-3288 MEDIUM 5.0 MITIGATE Mailsite Express allows remote attackers to upload and execute files with executable extensions such as ASP by
CVE-2005-3287 MEDIUM 5.0 MITIGATE Incomplete blacklist vulnerability in Mailsite Express allows remote attackers to upload and possibly execute

References

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