What is CVE-2021-1368?

CVE-2021-1368 is a high-severity vulnerability in Cisco Nx-os Software, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-02-24.

How severe is CVE-2021-1368?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Cisco Nx-os Software

CVE-2021-1368

A vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code with administrative privileges or cause a denia…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (50.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Nx-os Software — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

20210224 Cisco FXOS and NX-OS Software Unidirectional Link Detection Denial of Service and Arbitrary Code Execution Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-1368?: CVE-2021-1368 is a high-severity vulnerability in Cisco Nx-os Software, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-02-24.
How severe is CVE-2021-1368?: High severity. CVSS v3 base score is 8.8 out of 10.