Improper Certificate Validation in Cisco DNA Center
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-1134 |
| CWE-ID | CWE-295 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cisco DNA Center Other software / Other software solutions |
| Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Certificate Validation
EUVDB-ID: #VU54189
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1134
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to sensitive data.
The vulnerability exists due to an incomplete validation of the X.509 certificate used when establishing a connection between DNA Center and Cisco Identity Services Engine (ISE) server. A remote attacker can use a specially crafted certificate and view sensitive information on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco DNA Center: before 2.2.2.3
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
