How severe is CVE-2014-2176?

CVE-2014-2176 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2014-2176 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2176?

CVE-2014-2176 primarily affects Cisco Ios Xr. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2176?

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-2014-2176 published?

CVE-2014-2176 was published on 2014-06-14 and last updated on 2026-06-17.

CVE-2014-2176

CVE-2014-2176 is a high-severity vulnerability in Cisco Ios Xr with a CVSS 2.0 base score of 7.1. 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Ios Xr
Published: 2014-06-14
Last modified: 2026-06-17

Description

Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6 packets, aka Bug ID CSCun71928.

Frequently asked questions

What is CVE-2014-2176?: Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6 packets, aka Bug ID CSCun71928.
How severe is CVE-2014-2176?: CVE-2014-2176 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2014-2176 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2176?: CVE-2014-2176 primarily affects Cisco Ios Xr. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2176?: 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-2014-2176 published?: CVE-2014-2176 was published on 2014-06-14 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:5.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:5.1.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:*

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