6.8

CVE-2006-6334: citrix presentation_server_client

CVSS: 6.8v2.0MediumModified
Published 08-12-2006Last modified 07-08-2024

Vulnerability summary

CVE-2006-6334 is a medium (CVSS 6.8) vulnerability in citrix presentation_server_client. EPSS estimates a 34.83% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
34.83%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3reference, exploit-database

Timeline

  1. 08-12-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in the SendChannelData function in wfica.ocx in Citrix Presentation Server Client before 9.230 for Windows allows remote malicious web sites to execute arbitrary code via a DataSize parameter that is less than the length of the Data buffer.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

34.83%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 34.83% on 20-09-2026

20-09-202620-10-2026
EPSS score
34.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (tippingpoint.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (support.citrix.com)

    Maturity: unknown

  • exploit-databaseremotewindowsVerified

    Citrix Presentation Server Client - 'WFICA.OCX' ActiveX Heap Buffer Overflow

    Maturity: weaponized

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Citrix1 product

1 vendor · 1 product

References

13 links
Show all 13 references