CVE-2003-0105: ServerMask 2.2 and earlier does not obfuscate (1) ETag, (2) HTTP Status Message, or (3) Allow HTTP responses,

Q: How do I fix CVE-2003-0105?

servermask: upgrade to newer than 2.2. Exact commands for each OS are on this page.

Q: Is CVE-2003-0105 being exploited?

CVE-2003-0105 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-2003-0105 affect?

CVE-2003-0105 affects servermask. Severity is medium (CVSS 5.0). ServerMask 2.2 and earlier does not obfuscate (1) ETag, (2) HTTP Status Message, or (3) Allow HTTP responses, which could tell remote attackers that the web server is an IIS server.

Q: How urgent is CVE-2003-0105?

Priority 39/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2003-0105 is a medium-severity flaw (CVSS 5.0) affecting servermask. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ServerMask 2.2 and earlier does not obfuscate (1) ETag, (2) HTTP Status Message, or (3) Allow HTTP responses, which could tell remote attackers that the web server is an IIS server.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Published	2004-09-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: port80 software

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

Am I affected?

Timeline

2004-09-28 04:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

port80 software servermask UPGRADE

Affected: <= 2.2

Fixed in: newer than 2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade servermask

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade servermask

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-2003-0105?

servermask: upgrade to newer than 2.2. Exact commands for each OS are on this page.

Is CVE-2003-0105 being exploited?

CVE-2003-0105 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-2003-0105 affect?

CVE-2003-0105 affects servermask. Severity is medium (CVSS 5.0). ServerMask 2.2 and earlier does not obfuscate (1) ETag, (2) HTTP Status Message, or (3) Allow HTTP responses, which could tell remote attackers that the web server is an IIS server.

How urgent is CVE-2003-0105?

Priority 39/100. No elevated risk signals yet.

References

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