How severe is CVE-2016-1341?

CVE-2016-1341 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1341 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1341?

CVE-2016-1341 primarily affects Cisco Nx-os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1341?

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

When was CVE-2016-1341 published?

CVE-2016-1341 was published on 2016-02-24 and last updated on 2026-06-17.

CVE-2016-1341

CVE-2016-1341 is a critical-severity vulnerability in Cisco Nx-os with a CVSS 3.x base score of 9.8. 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-255.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 6.9
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Cisco Nx-os
Published: 2016-02-24
Last modified: 2026-06-17

Description

Cisco NX-OS 7.0(1)N1(1), 7.0(1)N1(3), and 7.0(4)N1(1) on Nexus 2000 Fabric Extender devices has a blank root password, which allows local users to gain privileges via unspecified vectors, aka Bug ID CSCur22079.

Frequently asked questions

What is CVE-2016-1341?: Cisco NX-OS 7.0(1)N1(1), 7.0(1)N1(3), and 7.0(4)N1(1) on Nexus 2000 Fabric Extender devices has a blank root password, which allows local users to gain privileges via unspecified vectors, aka Bug ID CSCur22079.
How severe is CVE-2016-1341?: CVE-2016-1341 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1341 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1341?: CVE-2016-1341 primarily affects Cisco Nx-os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1341?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-1341 published?: CVE-2016-1341 was published on 2016-02-24 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:cisco:nx-os:7.0$1$n1$1$:*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0$1$n1$3$:*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0$4$n1$1$:*:*:*:*:*:*:*

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