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CVE-2006-5403
Stack-based buffer overflow in an ActiveX control used in Symantec Automated Support Assistant, as used in Norton AntiVirus, Internet…
- 5.1MediumCVSS base score
- 6.3%Exploitation in 30 daysEPSS · top 6.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Stack-based buffer overflow in an ActiveX control used in Symantec Automated Support Assistant, as used in Norton AntiVirus, Internet Security, and System Works 2005 and 2006, allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 6.3% · top 6.3% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Affected products
n/a
- affected n/a
References
10
- 1016988 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 1016991 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://securityresponse.symantec.com/avcenter/security/Content/2006.10.05.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1016989 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2006-3929 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- VU#400601 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- symantec-support-tool-activex-bo(29363) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 22228 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1016990 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20348 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-5388 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-5403)Record last updated .