7.4

CVE-2018-0434: cisco cisco sd-wan solution Improper Certificate Validation

CVSS: 7.4v3.0HighModified
Published 05-10-2018Last modified 26-11-2024
Open JSON

Vulnerability summary

CVE-2018-0434 is a high (CVSS 7.4) Improper Certificate Validation vulnerability in cisco cisco sd-wan solution. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.8% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.0 (NVD)
EPSS score
0.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-10-2018
    PublishedVulnerability first disclosed.
  2. 26-11-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.83% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco6 products

1 vendor · 6 products

References

2 links