CVE-2008-5943: Multiple directory traversal vulnerabilities in NavBoard 16 (2.6.0) allow remote attackers to include and exec

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HIGH 7.5DOWNGRADE

CVE-2008-5943 is a high-severity flaw (CVSS 7.5) affecting navboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple directory traversal vulnerabilities in NavBoard 16 (2.6.0) allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the module parameter to (1) admin_modules.php and (2) modules.php.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-22
Published	2009-01-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: navboard

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

Am I affected?

Timeline

2009-01-22 11:30 UTCPublished CVE record published
2026-06-16 23:01 UTCUpdated Record last modified

navboard navboard DOWNGRADE

Affected: 16

Fixed in: no fixed release known

Safe to downgrade to: a release before 16

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 16 (Debian / Ubuntu)

apt-cache madison navboard sudo apt install navboard=<VERSION_BEFORE_16> sudo apt-mark hold navboard

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

dnf --showduplicates list navboard sudo dnf downgrade navboard-<VERSION_BEFORE_16> sudo dnf versionlock add navboard

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: Nortel Networks SRG V16 - 'admin_modules.php?module' Traversal Local File Inclusion
Exploit-DB: Nortel Networks SRG V16 - 'modules.php?module' Traversal Local File Inclusion

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-2008-5943?

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

Is CVE-2008-5943 being exploited?

CVE-2008-5943 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-2008-5943 affect?

CVE-2008-5943 affects navboard. Severity is high (CVSS 7.5). Multiple directory traversal vulnerabilities in NavBoard 16 (2.6.0) allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the module parameter to (1) admin_modules.php and (2) modules.php.

How urgent is CVE-2008-5943?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-5944 LOW 2.6 DOWNGRADE Cross-site scripting (XSS) vulnerability in modules.php in NavBoard 16 (2.6.0) allows remote attackers to inje

References

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