CVE-2003-0312: Directory traversal vulnerability in Snowblind Web Server 1.0 allows remote attackers to read arbitrary files

This month

MEDIUM 6.4DOWNGRADE

CVE-2003-0312 is a medium-severity flaw (CVSS 6.4) affecting snowblind web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Snowblind Web Server 1.0 allows remote attackers to read arbitrary files via a .. (dot dot) in an HTTP request.

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	7.4% (top 6%)
CISA exploited list	No
Published	2003-06-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: snowblind.net

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

Am I affected?

Timeline

2003-06-16 04:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

snowblind.net snowblind web server DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy snowblind-web-server || rpm -q snowblind-web-server || snowblind-web-server --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison snowblind-web-server sudo apt install snowblind-web-server=<VERSION_BEFORE_1.0> sudo apt-mark hold snowblind-web-server

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

dnf --showduplicates list snowblind-web-server sudo dnf downgrade snowblind-web-server-<VERSION_BEFORE_1.0> sudo dnf versionlock add snowblind-web-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.

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: Snowblind 1.0/1.1 - Web Server File Disclosure

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-2003-0312?

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

Is CVE-2003-0312 being exploited?

CVE-2003-0312 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-2003-0312 affect?

CVE-2003-0312 affects snowblind web server. Severity is medium (CVSS 6.4). Directory traversal vulnerability in Snowblind Web Server 1.0 allows remote attackers to read arbitrary files via a .. (dot dot) in an HTTP request.

How urgent is CVE-2003-0312?

Priority 51/100. EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2003-0315 HIGH 7.5 DOWNGRADE Snowblind Web Server 1.0 allows remote attackers to cause a denial of service (crash) and possibly execute arb
CVE-2003-0314 MEDIUM 6.4 DOWNGRADE Snowblind Web Server 1.0 allows remote attackers to cause a denial of service (crash) via a URL that ends in a
CVE-2003-0313 MEDIUM 6.4 DOWNGRADE Directory traversal vulnerability in Snowblind Web Server 1.0 allows remote attackers to list arbitrary direct

References

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