Vulnerability Report

CVE-2006-1355

Title: Alwil Avast Antivirus Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2006-1355.

CWE Category NVD-CWE-noinfo

Published Date Mar 22, 2006

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.2 CVSS v2.0

Exploit Probability (EPSS)

0.39%

Vulnerability Summary

CVE-2006-1355: avast! Antivirus 4.6.763 and earlier sets "BUILTIN\Everyone" permissions to critical system files in the installation folder, which allows local users to gain privileges or disable protection by modifying those files.

Impacted Vendors

alwil 1

avast 1

Reference Links

http://forum.avast.com/index.php?topic=19862.0 http://secunia.com/advisories/19284 http://www.dslreports.com/forum/remark%2C15601404~days=9999~start=20 http://www.securityfocus.com/bid/17158 http://www.vupen.com/english/advisories/2006/1011 https://exchange.xforce.ibmcloud.com/vulnerabilities/25336 http://forum.avast.com/index.php?topic=19862.0 http://secunia.com/advisories/19284 http://www.dslreports.com/forum/remark%2C15601404~days=9999~start=20 http://www.securityfocus.com/bid/17158 http://www.vupen.com/english/advisories/2006/1011 https://exchange.xforce.ibmcloud.com/vulnerabilities/25336

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.2

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2006-1355 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

March 22, 2006 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Stack

No specific products linked.