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CVE-2019-12656

Cisco IOx Application Environment Denial of Service Vulnerability

Published: Sep 25, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.8%
Top 24.0%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A vulnerability in the IOx application environment of multiple Cisco platforms could allow an unauthenticated, remote attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a denial of service (DoS) condition. The vulnerability is due to a Transport Layer Security (TLS) implementation issue. An attacker could exploit this vulnerability by sending crafted TLS packets to the IOx web server on an affected device. A successful exploit could allow the attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a DoS condition.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-20NVD-CWE-noinfo

Affected Products

510 WPAN Industrial Router: Industrial Routers Operating System SoftwareCisco Systems Inc.Networking Infrastructure
IC3000 Industrial Compute Gateway: Industrial Compute Gateway SoftwareCisco Systems Inc.Networking Infrastructure
Industrial Ethernet 4000 Series Switches: Cisco IOS Software releasesCisco Systems Inc.Networking Infrastructure
CGR 1000 Compute Module: CGR 1000 IOx Compute PlatformCisco Systems Inc.Networking Infrastructure
ioscisco
On-premFirmware
Networking Infrastructure / router-switch
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
and 6 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
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References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-iox
tools.cisco.com

Timeline

Published
Sep 25, 2019
Last Updated
Nov 21, 2024

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