Vulnerability Report

CVE-2009-2966

Title: Kaspersky Kaspersky Anti-Virus Denial of Service (DoS)

DoS

Proof Of Concept

PoC Available for CVE-2009-2966

CWE Category CWE-399

Published Date Aug 25, 2009

Modified Date Jun 16, 2026

Exploit Status Available

Score 4.3 CVSS v2.0

Exploit Probability (EPSS)

6.40%

Vulnerability Summary

CVE-2009-2966: avp.exe in Kaspersky Internet Security 9.0.0.459 and Anti-Virus 9.0.0.463 allows remote attackers to cause a denial of service (CPU consumption and network connectivity loss) via an HTTP URL request that contains a large number of dot "." characters.

Impacted Vendors

kaspersky 2

kaspersky_lab 2

Reference Links

http://archives.neohapsis.com/archives/fulldisclosure/2009-08/0252.html http://secunia.com/advisories/36405 http://securityreason.com/achievement_securityalert/66 http://www.h-online.com/security/Kaspersky-confirm-and-close-DoS-vulnerability--/news/114077 http://www.osvdb.org/57173 http://www.securityfocus.com/bid/36084 http://www.securitytracker.com/id?1022754 http://www.securitytracker.com/id?1022755 https://exchange.xforce.ibmcloud.com/vulnerabilities/52571 http://archives.neohapsis.com/archives/fulldisclosure/2009-08/0252.html http://secunia.com/advisories/36405 http://securityreason.com/achievement_securityalert/66 http://www.h-online.com/security/Kaspersky-confirm-and-close-DoS-vulnerability--/news/114077 http://www.osvdb.org/57173 http://www.securityfocus.com/bid/36084 http://www.securitytracker.com/id?1022754 http://www.securitytracker.com/id?1022755 https://exchange.xforce.ibmcloud.com/vulnerabilities/52571

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-2966 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/9537

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

August 25, 2009 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:N/AC:M/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.