What is CVE-2013-4602?

CVE-2013-4602 is a medium-severity vulnerability in Avira Antivir Mailgate, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2020-02-12.

How severe is CVE-2013-4602?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Avira Antivir Mailgate

CVE-2013-4602

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.

Vulnerability class: DoS (Denial of Service)

Published 2020-02-12 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.8th percentile), scored 2026-10-31.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

www.securityfocus.com/bid/60552 (VDB Entry, Third Party Advisory)
www.securitytracker.com/id/1028666 (VDB Entry, Third Party Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/85099 (VDB Entry, Third Party Advisory)
vuldb.com/ (Permissions Required, Third Party Advisory)
packetstormsecurity.com/files/122024/Avira-AntiVir-Engine-Denial-Of-Service-Fil… (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2013-4602?: CVE-2013-4602 is a medium-severity vulnerability in Avira Antivir Mailgate, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2020-02-12.
How severe is CVE-2013-4602?: Medium severity. CVSS v3 base score is 5.5 out of 10.