#VU56115 Out-of-bounds read in Cisco Systems, Inc products - CVE-2021-1588

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Main Vulnerability Database Vulnerabilities #VU56115

#VU56115 Out-of-bounds read in Cisco Systems, Inc products - CVE-2021-1588

Published: August 26, 2021


Vulnerability identifier: #VU56115
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1588
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Nexus 3000 Series Switches
Cisco Nexus 7000 Series Switches
Cisco Nexus 9000 Series Switches NX-OS Mode
Cisco NX-OS
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the MPLS Operation, Administration, and Maintenance (OAM) feature. A remote attacker can send a specially crafted MPLS echo-request or echo-reply packet, trigger out-of-bounds read error and cause a denial of service condition on the system.


Remediation

Install updates from vendor's website.

External links