Rockwell Automation Stratix Cisco IOS Software and IOS XE Software TCP Packet Memory Leak (CVE-2015-0646)

high Tenable OT Security Plugin ID 501811


The remote OT asset is affected by a vulnerability.


A vulnerability in the TCP input module of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak and eventual reload of the affected device. The vulnerability is due to improper handling of certain crafted packet sequences used in establishing a TCP three-way handshake. An attacker could exploit this vulnerability by sending a crafted sequence of TCP packets while establishing a three-way handshake. A successful exploit could allow the attacker to cause a memory leak and eventual reload of the affected device.

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Rockwell Automation has provided a new firmware version, Version 15.6.3, to mitigate these vulnerabilities.

See Rockwell Automation's security advisory for more information.

See Also

Plugin Details

Severity: High

ID: 501811

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 11/15/2023

Updated: 12/14/2023

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2015-0646


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:rockwellautomation:allen-bradley_stratix_5900_industrial_managed_ethernet_switch

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 3/26/2015

Vulnerability Publication Date: 3/26/2015

Reference Information

CVE: CVE-2015-0646

CWE: 755