HOMEVULNERABILITIESCVE-2006-4855
MEDIUMPOC

CVE-2006-4855

CWE-399Published: September 19, 2006· Updated: Jun 16, 2026

4.9
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2006-4855 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2006-4855. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected Vendors & Products

symantec7 product(s)
client securityhost idsnorton antivirusnorton internet securitynorton personal firewallnorton system workspcanywhere
Source: NVD CPE · 97 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://secunia.com/advisories/21938
ADVISORYhttp://www.matousec.com/info/advisories/Norton-Insufficient-validation-of-SymEvent-driver-input-buffer.php
ADVISORYhttp://www.vupen.com/english/advisories/2006/3636
ADVISORYhttp://secunia.com/advisories/21938
ADVISORYhttp://www.matousec.com/info/advisories/Norton-Insufficient-validation-of-SymEvent-driver-input-buffer.php
ADVISORYhttp://www.vupen.com/english/advisories/2006/3636

All References (32)

→
http://secunia.com/advisories/21938Vendor Advisory
→
http://securityreason.com/securityalert/1591
→
http://securityresponse.symantec.com/avcenter/security/Content/2006.09.20a.html
→
http://securitytracker.com/id?1016889
→
http://securitytracker.com/id?1016892
→
http://securitytracker.com/id?1016893
→
http://securitytracker.com/id?1016894
→
http://securitytracker.com/id?1016895
→
http://securitytracker.com/id?1016896
→
http://securitytracker.com/id?1016897
→
http://securitytracker.com/id?1016898
→
http://www.matousec.com/info/advisories/Norton-Insufficient-validation-of-SymEvent-driver-input-buffer.phpVendor Advisory
→
http://www.securityfocus.com/archive/1/446111/100/0/threaded
→
http://www.securityfocus.com/bid/20051Exploit
→
http://www.vupen.com/english/advisories/2006/3636Vendor Advisory

Quick Facts

CVE IDCVE-2006-4855
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessCWE-399
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedSep 19, 2006

Related CVEs (CWE-399)

CVE-2009-2300
10.0
CVE-2008-3641
10.0
CVE-2009-2464
10.0
CVE-2009-3103
10.0
CVE-2010-4711
10.0
CVE-2008-4062
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2006-4855 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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