SB2018100314 - Improper certificate validation in Cisco SD-WAN
Published: October 3, 2018 Updated: October 16, 2018
Security Bulletin ID
SB2018100314
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper certificate validation (CVE-ID: CVE-2018-15387)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to improper certificate validation. A remote unauthenticated attacker can supply a system image signed with a crafted certificate to an affected device, bypass the certificate validation and deploy a crafted system image.
Remediation
Install update from vendor's website.