CVE-2021-1276 Cisco Data Center Network Manager Certificate Validation Vulnerabilities
Attackers can perform man-in-the-middle attacks to extract sensitive information or alter API requests due to insufficient certificate validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1276?
CVE-2021-1276 is a high-severity vulnerability in Cisco Data Center Network Manager, published on 20 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) could allow an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests. These vulnerabilities are due to insufficient certificate validation when establishing HTTPS requests with the affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Weakness: CWE-295
Which versions are affected by CVE-2021-1276?
It affects 1 product.
Products include Cisco Data Center Network Manager.
How do I fix CVE-2021-1276?
No fix has been published for CVE-2021-1276 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-1276 being exploited?
There is no known exploitation of CVE-2021-1276 in the wild and no public exploit code.
Other vulnerabilities in Cisco Data Center Network Manager
- CVE-2020-3382 Cisco Data Center Network Manager Authentication Bypass Vulnerability
- CVE-2019-15975 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities
- CVE-2019-15976 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities
- CVE-2019-15977 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities
- CVE-2019-1619 Cisco Data Center Network Manager Authentication Bypass Vulnerability
Sources
Also known as GHSA-w5fp-2j8v-x63m.