CVE-2018-0434

Name: CVE-2018-0434
Creator: NVD / NIST
Published: 2018-10-05T14:29:01.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.84%

Last modified Jun 17, 2026

CVE-2018-0434 is a vulnerability of currently unknown severity. A vulnerability in the Zero Touch Provisioning feature of the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

A vulnerability in the Zero Touch Provisioning feature of the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.

Metrics

EPSS Probability

0.84%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Vedge 100 Firmware	< 18.3.0
Cisco	Vedge 1000 Firmware	< 18.3.0
Cisco	Vedge 2000 Firmware	< 18.3.0
Cisco	Vedge 5000 Firmware	< 18.3.0
Cisco	Vmanage Network Management System	All versions

References

http://www.securityfocus.com/bid/105294Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-sd-wan-validationVendor Advisory
http://www.securityfocus.com/bid/105294Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-sd-wan-validationVendor Advisory

Timeline

Published: Oct 5, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0434?

How severe is CVE-2018-0434?

Severity scoring for CVE-2018-0434 is pending analysis. The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0434?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0434?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST