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CVE-2006-4313· NVD / CVE Program· CNA mitre

Multiple unspecified vulnerabilities in Cisco VPN 3000 series concentrators before 4.1, 4.1.x up to 4.1(7)L, and 4.7.x up to 4.7(2)F allow a

Multiple unspecified vulnerabilities in Cisco VPN 3000 series concentrators before 4.1, 4.1.x up to 4.1(7)L, and 4.7.x up to 4.7(2)F allow attackers to execute the (1) CWD, (2) MKD, (3) CDUP, (4) RNFR, (5) SIZE, and (6) RMD FTP commands to modify files or create and delete directories via unknown vectors.

MediumCVSS 5.0 · v2.0—Weaponized No fix recorded

Noroxi analysis

No Noroxi analysis for this record yet

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Published
Aug 23, 2006
Updated
Jun 16, 2026
EPSS
12.0% · 96th percentile
CWE
—
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Report tools

JSON

Action score

24

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
4 / 30 · 12.0%

Affected systems

VendorProduct
ciscovpn 3000 concentrator series software

Affected versions

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

  • cisco vpn 3000 concentrator series software4.0
  • cisco vpn 3000 concentrator series software4.0.1
  • cisco vpn 3000 concentrator series software4.0.5.b
  • cisco vpn 3000 concentrator series software4.1.5.b
  • cisco vpn 3000 concentrator series software4.1.7.a
  • cisco vpn 3000 concentrator series software4.1.7.b
  • cisco vpn 3000 concentrator series software4.1.7.l
  • cisco vpn 3000 concentrator series software4.7
  • cisco vpn 3000 concentrator series software4.7.1
  • cisco vpn 3000 concentrator series software4.7.1.f
  • cisco vpn 3000 concentrator series software4.7.2.f

Same product

cisco: all records

Other highest-scoring records for the same primary product.

  • CVE-2006-0483Cisco VPN 3000 series concentrators running software 4.7.0 through 4.7.2.A allow remote attackers to cause a denial of service (device reloa
    32Monitor
  • CVE-2002-1092Cisco VPN 3000 Concentrator 3.6(Rel) and earlier, and 2.x.x, when configured to use internal authentication with group accounts and without
    30Monitor
  • CVE-2002-1097Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.2, allows restricted administrators to obtain certificate passwords that are stored in
    30Monitor
  • CVE-2002-1098Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, adds an "HTTPS on Public Inbound (XML-Auto)(forward/in)" rule but sets the protocol
    30Monitor
  • CVE-2002-1096Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.1, allows restricted administrators to obtain user passwords that are stored in plaint
    30Monitor
  • CVE-2002-1101Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denial of service via a long user name
    21Monitor

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

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Metasploit moduleauxiliary/admin/networking/cisco_vpn_3000_ftp_bypassCisco VPN Concentrator 3000 FTP Unauthorized Administrative Accessauxiliary2006-08-23

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.

  1. Metasploit-1 d
  2. Published
  3. TodaySep 30, 2026+7343 d
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.

Credits

All researchers

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

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:N/C:N/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

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records