How severe is CVE-2013-4936?

CVE-2013-4936 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-4936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4936?

CVE-2013-4936 affects Wireshark. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4936?

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

When was CVE-2013-4936 published?

CVE-2013-4936 was published on 2013-07-30 and last updated on 2026-06-16.

CVE-2013-4936

CVE-2013-4936 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wireshark
Published: 2013-07-30
Last modified: 2026-06-16

Description

The IsDFP_Frame function in plugins/profinet/packet-pn-rt.c in the PROFINET Real-Time dissector in Wireshark 1.10.x before 1.10.1 does not validate MAC addresses, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.

Frequently asked questions

What is CVE-2013-4936?: The IsDFP_Frame function in plugins/profinet/packet-pn-rt.c in the PROFINET Real-Time dissector in Wireshark 1.10.x before 1.10.1 does not validate MAC addresses, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.
How severe is CVE-2013-4936?: CVE-2013-4936 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-4936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4936?: CVE-2013-4936 affects Wireshark. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4936?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4936 published?: CVE-2013-4936 was published on 2013-07-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*

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