CVE-2004-2617: Directory traversal vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to read files outsi

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MEDIUM 5.0DOWNGRADE

CVE-2004-2617 is a medium-severity flaw (CVSS 5.0) affecting pegasi web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to read files outside of the web root via a .. (dot dot) directly after the initial '/' (slash) in the URI.

Why this priority

EPSS top 10%: 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	3.8% (top 10%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pegasi web server

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

pegasi web server pegasi web server DOWNGRADE

Affected: 0.2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.2.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.2.2 (Debian / Ubuntu)

apt-cache madison pegasi-web-server sudo apt install pegasi-web-server=<VERSION_BEFORE_0.2.2> sudo apt-mark hold pegasi-web-server

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

dnf --showduplicates list pegasi-web-server sudo dnf downgrade pegasi-web-server-<VERSION_BEFORE_0.2.2> sudo dnf versionlock add pegasi-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: Pegasi Web Server 0.2.2 - Arbitrary File Access

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-2004-2617?

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

Is CVE-2004-2617 being exploited?

CVE-2004-2617 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-2004-2617 affect?

CVE-2004-2617 affects pegasi web server. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to read files outside of the web root via a .. (dot dot) directly after the initial '/' (slash) in the URI.

How urgent is CVE-2004-2617?

Priority 45/100. EPSS top 10%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2004-2618 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to inject ar

References

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