How severe is CVE-2013-4602?

CVE-2013-4602 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2013-4602 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4602?

CVE-2013-4602 primarily affects Avira Antivir Mailgate. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4602?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4602 published?

CVE-2013-4602 was published on 2020-02-12 and last updated on 2026-06-16.

CVE-2013-4602

CVE-2013-4602 is a medium-severity vulnerability in Avira Antivir Mailgate with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 7.1
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Avira Antivir Mailgate
Published: 2020-02-12
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-4602?: CVE-2013-4602 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2013-4602 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4602?: CVE-2013-4602 primarily affects Avira Antivir Mailgate. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4602?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4602 published?: CVE-2013-4602 was published on 2020-02-12 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:avira:antivir_mailgate:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:antivir_mailgate_suite:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:antivir_personal:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:antivir_sharepoint:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:antivir_webgate:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:antivir_webgate_suite:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:antivirus_server:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:exchange_security:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:professional_security:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:savapi:*:*:*:*:*:*:*:*

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