CVE-2006-4855

mediumpriority · track · 30EPSS 0.013 · 71 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

1.32% (71st) EPSS

CVSS 4.9 · medium

Is it mine?

98 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

The \Device\SymEvent driver in Symantec Norton Personal Firewall 2006 9.1.0.33, and other versions of Norton Personal Firewall, Internet Security, AntiVirus, SystemWorks, Symantec Client Security SCS 1.x, 2.x, 3.0, and 3.1, Symantec AntiVirus Corporate Edition SAVCE 8.x, 9.x, 10.0, and 10.1, Symantec pcAnywhere 11.5 only, and Symantec Host, allows local users to cause a denial of service (system crash) via invalid data, as demonstrated by calling DeviceIoControl to send the data.

cvss

Technical severity, 0–10. One row per scoring source.

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v2.04.4mediumAV:L/AC:L/Au:N/C:N/I:N/A:C/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-28588Symantec (Multiple Products) - 'SymEvent' Driver Local Denial of Servicefunctional · exploit_db

affected products (98)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
symantec client security= 1.0nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.0_b8.01.9378nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.425anvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.429cnvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.434nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.437nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.446nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.457nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.460nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.464nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.471nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0.1_build_8.01.501nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.0_build_8.01.9374nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.1nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.1.1nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.1.1_build_393nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.1.1_mr1_build_8.1.1.314anvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 1.1.1_mr2_build_8.1.1.319nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*

showing 20 of 98

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2006-09-19modified 2026-06-16

related (3,726)

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+3721 more

references (32)

External citations — patches, advisories, analysis.

scry

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