CVE-2025-29972: SSRF in Azure Storage Resource Provider

The SSRF vulnerability in Azure Storage Resource Provider poses a significant risk. An attacker exploiting this flaw can craft malicious requests that appear to originate from within the trusted Azure environment. This allows them to bypass security controls and potentially access internal resources that should be isolated. Attack scenarios include accessing metadata services, querying internal databases, or even interacting with other Azure services that are not publicly exposed. The blast radius extends to any internal resources accessible through the Azure Storage Resource Provider, potentially compromising sensitive data and disrupting critical operations. While no direct precedent exists for this specific SSRF, SSRF vulnerabilities generally share the potential for broad internal reconnaissance and exploitation.

1. Reserved2025-03-12
2. Published2025-05-08
3. Modified2026-02-26
4. EPSS updated2026-03-23

Until a patch is available, several mitigation strategies can reduce the risk associated with CVE-2025-29972. Implement strict network segmentation to limit the potential impact of a successful attack. Restrict outbound network access from the Azure Storage Resource Provider to only necessary destinations. Utilize Azure Network Security Groups (NSGs) to control traffic flow. Consider implementing a Web Application Firewall (WAF) to filter malicious requests. Regularly review and update Azure policies to enforce security best practices. After a patch is released, upgrade the Azure Storage Resource Provider to the fixed version to eliminate the vulnerability.