What’s Vulnerable › Vulnerabilities

CVE-2013-4602

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-12 · updated 2026-06-16
• Weakness: CWE-400

Description

A Denial of Service (infinite loop) vulnerability exists in Avira AntiVir Engine before 8.2.12.58 via an unspecified function in the PDF Scanner Engine.

Affected products

• AVIRA Antivir Mailgate: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Antivir Mailgate Suite: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Antivir Personal: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Antivir Sharepoint: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Antivir Webgate: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Antivir Webgate Suite: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Antivirus Server: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Exchange Security: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Professional Security: before 8.2.12.58 — fixed in 8.2.12.58
• AVIRA Savapi: before 8.2.12.58 — fixed in 8.2.12.58

How to fix

Upgrade to a fixed version: AVIRA Antivir Mailgate 8.2.12.58; AVIRA Antivir Mailgate Suite 8.2.12.58; AVIRA Antivir Personal 8.2.12.58; AVIRA Antivir Sharepoint 8.2.12.58; AVIRA Antivir Webgate 8.2.12.58; AVIRA Antivir Webgate Suite 8.2.12.58; AVIRA Antivirus Server 8.2.12.58; AVIRA Exchange Security 8.2.12.58; AVIRA Professional Security 8.2.12.58; AVIRA Savapi 8.2.12.58. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/60552
• http://www.securitytracker.com/id/1028666
• https://exchange.xforce.ibmcloud.com/vulnerabilities/85099
• https://packetstormsecurity.com/files/122024/Avira-AntiVir-Engine-Denial-Of-Service-Filter-Evasion.html
• https://vuldb.com/?id.9151
• http://www.securityfocus.com/bid/60552
• http://www.securitytracker.com/id/1028666
• https://exchange.xforce.ibmcloud.com/vulnerabilities/85099
• https://packetstormsecurity.com/files/122024/Avira-AntiVir-Engine-Denial-Of-Service-Filter-Evasion.html
• https://vuldb.com/?id.9151

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