How severe is CVE-2016-1455?

CVE-2016-1455 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-1455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1455?

CVE-2016-1455 primarily affects Cisco Nx-os. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1455?

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-2016-1455 published?

CVE-2016-1455 was published on 2016-10-05 and last updated on 2026-06-17.

CVE-2016-1455

CVE-2016-1455 is a high-severity vulnerability in Cisco Nx-os with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Nx-os
Published: 2016-10-05
Last modified: 2026-06-17

Description

Cisco NX-OS before 7.0(3)I2(2e) and 7.0(3)I4 before 7.0(3)I4(1) has an incorrect iptables local-interface configuration, which allows remote attackers to obtain sensitive information via TCP or UDP traffic, aka Bug ID CSCuz05365.

Frequently asked questions

What is CVE-2016-1455?: Cisco NX-OS before 7.0(3)I2(2e) and 7.0(3)I4 before 7.0(3)I4(1) has an incorrect iptables local-interface configuration, which allows remote attackers to obtain sensitive information via TCP or UDP traffic, aka Bug ID CSCuz05365.
How severe is CVE-2016-1455?: CVE-2016-1455 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-1455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1455?: CVE-2016-1455 primarily affects Cisco Nx-os. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1455?: 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-2016-1455 published?: CVE-2016-1455 was published on 2016-10-05 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:cisco:nx-os:7.0\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(3\)i1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(3\)i1\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(3\)i1\(1b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(3\)i1\(2\):*:*:*:*:*:*:*

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