CVE-2006-6277: Directory traversal vulnerability in admin/FileServer.php in ContentServ 4.x allows remote attackers to read a

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MEDIUM 5.0DOWNGRADE

CVE-2006-6277 is a medium-severity flaw (CVSS 5.0) affecting contentserv. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in admin/FileServer.php in ContentServ 4.x allows remote attackers to read arbitrary files via a .. (dot dot) in the src parameter, a different vector than CVE-2005-3086.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Published	2006-12-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: contentserv

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

Am I affected?

Timeline

2006-12-04 11:28 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

contentserv contentserv DOWNGRADE

Affected: 4.0 · 4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison contentserv sudo apt install contentserv=<VERSION_BEFORE_4.0> sudo apt-mark hold contentserv

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

dnf --showduplicates list contentserv sudo dnf downgrade contentserv-<VERSION_BEFORE_4.0> sudo dnf versionlock add contentserv

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: ContentServ 4.x - '/admin/FileServer.php' 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-2006-6277?

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

Is CVE-2006-6277 being exploited?

CVE-2006-6277 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-2006-6277 affect?

CVE-2006-6277 affects contentserv. Severity is medium (CVSS 5.0). Directory traversal vulnerability in admin/FileServer.php in ContentServ 4.x allows remote attackers to read arbitrary files via a .. (dot dot) in the src parameter, a different vector than CVE-2005-3086.

How urgent is CVE-2006-6277?

Priority 45/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2005-4390 HIGH 7.5 UPGRADE SQL injection vulnerability in index.php in ContentServ 3.1 and earlier allows remote attackers to execute arb
CVE-2005-3086 MEDIUM 6.4 DOWNGRADE Directory traversal vulnerability in admin/about.php in contentServ 3.1 allows remote attackers to read or inc

References

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