How severe is CVE-2014-3299?

CVE-2014-3299 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2014-3299 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-2014-3299?

CVE-2014-3299 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-3299?

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

When was CVE-2014-3299 published?

CVE-2014-3299 was published on 2014-06-25 and last updated on 2026-06-17.

CVE-2014-3299

CVE-2014-3299 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 6.8. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Ios
Published: 2014-06-25
Last modified: 2026-06-17

Description

Cisco IOS allows remote authenticated users to cause a denial of service (device reload) via malformed IPsec packets, aka Bug ID CSCui79745.

Frequently asked questions

What is CVE-2014-3299?: Cisco IOS allows remote authenticated users to cause a denial of service (device reload) via malformed IPsec packets, aka Bug ID CSCui79745.
How severe is CVE-2014-3299?: CVE-2014-3299 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2014-3299 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-2014-3299?: CVE-2014-3299 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-3299?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3299 published?: CVE-2014-3299 was published on 2014-06-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*

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