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NVD / CVE Program· CNA mitre

CVE-2006-0921: Multiple directory traversal vulnerabilities in connector.php in FCKeditor 2.0 FC, as used in products such as RunCMS, allow remote attacker

Noroxi assessment

Priority: Monitor (action score 26/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.6% (FIRST EPSS); higher than 76.6% of all records.
  • No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Multiple directory traversal vulnerabilities in connector.php in FCKeditor 2.0 FC, as used in products such as RunCMS, allow remote attackers to list and create arbitrary directories via a .. (dot dot) in the CurrentFolder parameter to (1) GetFoldersAndFiles and (2) CreateFolder.

MediumCVSS 6.4 · v2.0—No exploit No fix recorded
Published
Feb 28, 2006
Updated
Jun 16, 2026
EPSS
1.6% · 76th percentile
CWE
—

Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
25 / 40 · 6.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.6%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2006-0921

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
fckeditorfckeditor

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • fckeditor fckeditor2.0_fc

Other highest-scoring records for the same primary product.

  • CVE-2009-2265Multiple directory traversal vulnerabilities in FCKeditor before 2.6.4.1 allow remote attackers to create executable files in arbitrary dire
    55Plan
  • CVE-2008-6178Unrestricted file upload vulnerability in editor/filemanager/browser/default/connectors/php/connector.php in FCKeditor 2.2, as used in Falt4
    32Monitor
  • CVE-2006-0658Incomplete blacklist vulnerability in connector.php in FCKeditor 2.0 and 2.2, as used in products such as RunCMS, allows remote attackers to
    22Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2005-0613Feb 28, 2005 · Unknown vulnerability in FCKeditor 2.0 RC2, when used with PHP-Nuke, allows remote attackers to upload arbitrary files.
    21Monitor
  • Later →CVE-2006-2529May 22, 2006 · editor/filemanager/upload/php/upload.php in FCKeditor before 2.3 Beta, when the upload feature is enabled, does not verify the Type paramete
    21Monitor
  • Later →CVE-2006-6978Feb 8, 2007 · Cross-site scripting (XSS) vulnerability in the "Basic Toolbar Selection" in FCKEditor allows remote attackers to execute arbitrary JavaScri
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
none
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
None

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

All records