How severe is CVE-2015-6272?

CVE-2015-6272 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2015-6272 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6272?

CVE-2015-6272 primarily affects Cisco Ios Xe. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-6272?

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-2015-6272 published?

CVE-2015-6272 was published on 2015-08-31 and last updated on 2026-06-17.

CVE-2015-6272

CVE-2015-6272 is a high-severity vulnerability in Cisco Ios Xe 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Ios Xe
Published: 2015-08-31
Last modified: 2026-06-17

Description

Cisco IOS XE 2.1.0 through 2.2.3 and 2.3.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted H.323 packet, aka Bug ID CSCsx35393, CSCsx07094, and CSCsw93064.

Frequently asked questions

What is CVE-2015-6272?: Cisco IOS XE 2.1.0 through 2.2.3 and 2.3.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted H.323 packet, aka Bug ID CSCsx35393, CSCsx07094, and CSCsw93064.
How severe is CVE-2015-6272?: CVE-2015-6272 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2015-6272 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6272?: CVE-2015-6272 primarily affects Cisco Ios Xe. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6272?: 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-2015-6272 published?: CVE-2015-6272 was published on 2015-08-31 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:o:cisco:ios_xe:2.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.1.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.2.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.3.0:*:*:*:*:*:*:*

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