How severe is CVE-2014-3327?

CVE-2014-3327 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2014-3327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3327?

CVE-2014-3327 primarily affects Cisco Ios. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3327?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-3327 published?

CVE-2014-3327 was published on 2014-08-11 and last updated on 2026-06-17.

CVE-2014-3327

CVE-2014-3327 is a high-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 7.8. 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: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Ios
Published: 2014-08-11
Last modified: 2026-06-17

Description

The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4.xSG, and 3.5.xE before 3.5.3E allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCup52101.

Frequently asked questions

What is CVE-2014-3327?: The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4.xSG, and 3.5.xE before 3.5.3E allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCup52101.
How severe is CVE-2014-3327?: CVE-2014-3327 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2014-3327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3327?: CVE-2014-3327 primarily affects Cisco Ios. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-3327 published?: CVE-2014-3327 was published on 2014-08-11 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.2.00.xo.15.0\(2\)xo:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.2.0xo:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.3.0sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.3.1sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.4.0sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.4.1sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.4.2sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.4.3sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.4.4sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.5.0e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.5.1e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.5.2e:*:*:*:*:*:*:*

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