The \Device\SymEvent driver in Symantec Norton Personal Firewall 2006 9.1.0.33, and other versions of Norton Personal Firewall, Internet Sec
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.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Sep 19, 2006
- Updated
- Jun 16, 2026
- EPSS
- 1.3% · 70th percentile
- CWE
- CWE-399
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Report tools
Action score
19
Monitor
Low priority for now.
- CVSS
- 19 / 40 · 4.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| symantec | client security | cpe:2.3:a:symantec:client_security |
| symantec | host ids | cpe:2.3:a:symantec:host_ids |
| symantec | norton antivirus | cpe:2.3:a:symantec:norton_antivirus |
| symantec | norton internet security | cpe:2.3:a:symantec:norton_internet_security |
| symantec | norton personal firewall | cpe:2.3:a:symantec:norton_personal_firewall |
| symantec | norton system works | cpe:2.3:a:symantec:norton_system_works |
| symantec | pcanywhere | cpe:2.3:a:symantec:pcanywhere |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- symantec client security1.0
- symantec client security1.0_build_8.01.9374
- symantec client security1.0.0_b8.01.9378
- symantec client security1.0.1
- symantec client security1.0.1_build_8.01.425a
- symantec client security1.0.1_build_8.01.429c
- symantec client security1.0.1_build_8.01.434
- symantec client security1.0.1_build_8.01.437
- symantec client security1.0.1_build_8.01.446
- symantec client security1.0.1_build_8.01.457
- symantec client security1.0.1_build_8.01.460
- symantec client security1.0.1_build_8.01.464
- symantec client security1.0.1_build_8.01.471
- symantec client security1.0.1_build_8.01.501
- symantec client security1.1
- symantec client security1.1_stm_b8.1.0.825a
- symantec client security1.1.1
- symantec client security1.1.1_build_393
- symantec client security1.1.1_mr1_build_8.1.1.314a
- symantec client security1.1.1_mr2_build_8.1.1.319
Same product
symantec: all recordsOther highest-scoring records for the same primary product.
- CVE-2006-2630Stack-based buffer overflow in Symantec Antivirus 10.1 and Client Security 3.1 allows remote attackers to execute arbitrary code via unknown62This week
- CVE-2010-0107Buffer overflow in an ActiveX control (SYMLTCOM.dll) in Symantec N360 1.0 and 2.0; Norton Internet Security, AntiVirus, SystemWorks, and Con39Monitor
- CVE-2007-3095Unspecified vulnerability in Symantec Reporting Server 1.0.197.0, and other versions before 1.0.224.0, as used in Symantec Client Security 337Monitor
- CVE-2007-3021Symantec Reporting Server 1.0.197.0, and other versions before 1.0.224.0, as used in Symantec Client Security 3.1 and later, and Symantec An31Monitor
- CVE-2006-3454Multiple format string vulnerabilities in Symantec AntiVirus Corporate Edition 8.1 up to 10.0, and Client Security 1.x up to 3.0, allow loca28Monitor
- CVE-2007-3673Symantec symtdi.sys before 7.0.0, as distributed in Symantec AntiVirus Corporate Edition 9 through 10.1 and Client Security 2.0 through 3.1,27Monitor
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
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×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.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | dos | 2006-09-15 |
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.
- First PoC-5 d
- Published
- TodaySep 30, 2026+7316 d
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 researchersFinders, 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
- none
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- C
Weakness class (CWE)
CWE-399 · Resource Management ErrorsCVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
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
- secunia.com/advisories/21938
- securityreason.com/securityalert/1591
- securityresponse.symantec.com/avcenter/security/Content/2006.09.20a.html
- securitytracker.com/id?1016889
- securitytracker.com/id?1016892
- securitytracker.com/id?1016893
- securitytracker.com/id?1016894
- securitytracker.com/id?1016895
- securitytracker.com/id?1016896
- securitytracker.com/id?1016897
- securitytracker.com/id?1016898
- www.matousec.com/info/advisories/Norton-Insufficient-validation-of-SymEvent-driver-input-buffer.php
- www.securityfocus.com/archive/1/446111/100/0/threaded
- www.vupen.com/english/advisories/2006/3636
- exchange.xforce.ibmcloud.com/vulnerabilities/28960
Vendor advisories and official records. Exploit/PoC links are deliberately left out.