CVE-2021-1677 Azure Active Directory Pod Identity Spoofing Vulnerability
Attackers can spoof Azure AD Pod Identity to gain unauthorized access and escalate privileges within Azure Kubernetes Service clusters.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1677?
CVE-2021-1677 is a medium-severity authentication bypass vulnerability in Microsoft Azure Kubernetes Service, published on 12 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Azure Active Directory Pod Identity Spoofing Vulnerability
Weakness: CWE-290
Which versions are affected by CVE-2021-1677?
It affects 1 product.
Products include Microsoft Azure Kubernetes Service.
How do I fix CVE-2021-1677?
No fix has been published for CVE-2021-1677 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-1677 being exploited?
There is no known exploitation of CVE-2021-1677 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Kubernetes Service
- CVE-2026-56163 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
- CVE-2026-33105 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
- CVE-2026-50516 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
- CVE-2024-21376 Microsoft Azure Kubernetes Service Confidential Container Remote Code Execution Vulnerability
- CVE-2024-21403 Microsoft Azure Kubernetes Service Confidential Container Elevation of Privilege Vulnerability
Sources
Also known as GHSA-jr8j-fh83-j7h4.