CVE-2006-3426: Directory traversal vulnerability in (a) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x before 6.2 SR1

Q: How do I fix CVE-2006-3426?

patchlink update server: downgrade or apply the listed mitigation; zenworks: upgrade to newer than 6.2. Exact commands for each OS are on this page.

Q: Is CVE-2006-3426 being exploited?

CVE-2006-3426 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-2006-3426 affect?

CVE-2006-3426 affects patchlink update server, zenworks. Severity is medium (CVSS 5.0). Directory traversal vulnerability in (a) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x before 6.2 SR1 P1 and (b) Novell ZENworks 6.2 SR1 and earlier allows remote attackers to overwrite arbitrary files and directories via a .. (dot

Q: How urgent is CVE-2006-3426?

Priority 39/100. No elevated risk signals yet.

Routine

MEDIUM 5.0DOWNGRADEUPGRADE

CVE-2006-3426 is a medium-severity flaw (CVSS 5.0) affecting patchlink update server, zenworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in (a) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x before 6.2 SR1 P1 and (b) Novell ZENworks 6.2 SR1 and earlier allows remote attackers to overwrite arbitrary files and directories via a .. (dot dot) sequence in the (1) action, (2) agentid, or (3) index parameters to dagent/nwupload.asp, which are used as pathname components.

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	2.7% (top 14%)
CISA exploited list	No
Published	2006-07-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: lumension · novell

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

Am I affected?

Timeline

2006-07-07 00:05 UTCPublished CVE record published
2026-06-16 22:27 UTCUpdated Record last modified

lumension patchlink update server DOWNGRADE

Affected: 6.1 · 6.2.0.181 · 6.2.0.189

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.1

1. Check installed version

apt-cache policy patchlink-update-server || rpm -q patchlink-update-server || patchlink-update-server --version

2. No fixed release: DOWNGRADE to a release before 6.1 (Debian / Ubuntu)

apt-cache madison patchlink-update-server sudo apt install patchlink-update-server=<VERSION_BEFORE_6.1> sudo apt-mark hold patchlink-update-server

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

dnf --showduplicates list patchlink-update-server sudo dnf downgrade patchlink-update-server-<VERSION_BEFORE_6.1> sudo dnf versionlock add patchlink-update-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.

novell zenworks UPGRADE

Affected: <= 6.2

Fixed in: newer than 6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 6.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zenworks

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-2006-3426?

patchlink update server: downgrade or apply the listed mitigation; zenworks: upgrade to newer than 6.2. Exact commands for each OS are on this page.

Is CVE-2006-3426 being exploited?

CVE-2006-3426 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-2006-3426 affect?

CVE-2006-3426 affects patchlink update server, zenworks. Severity is medium (CVSS 5.0). Directory traversal vulnerability in (a) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x before 6.2 SR1 P1 and (b) Novell ZENworks 6.2 SR1 and earlier allows remote attackers to overwrite arbitrary files and directories via a .. (dot

How urgent is CVE-2006-3426?

Priority 39/100. No elevated risk signals yet.

Related CVEs

CVE-2006-3430 HIGH 7.5 DOWNGRADE UPGRADE SQL injection vulnerability in checkprofile.asp in (1) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x
CVE-2006-3425 HIGH 7.5 DOWNGRADE UPGRADE FastPatch for (a) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x before 6.2 SR1 P1, and (b) Novell ZEN

References

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