CVE-2025-59503
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedServer-side request forgery (ssrf) in Azure Compute Gallery allows an unauthorized attacker to elevate privileges over a network.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceCVE-2025-59503 is a server-side request forgery (SSRF) vulnerability in Azure Compute Gallery that allows an unauthorized attacker to make the service perform arbitrary network requests, potentially enabling privilege elevation and access to internal Azure resources.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify Azure Compute Gallery usage in subscriptionRun 'az resource list --query "[?type=='Microsoft.Compute/galleries'].name"' or check Azure Portal under Compute Galleries to list any galleries in the subscriptionAffected if Any Azure Compute Gallery resource exists in the subscription
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Review Azure Activity Logs for Compute Gallery operationsNavigate to Azure Monitor > Activity Log, filter by resource provider 'Microsoft.Compute' and operation name containing 'gallery', look for operations from unexpected identities or at unusual timesAffected if Activity logs show Compute Gallery operations initiated by unauthorized users or from unexpected IP addresses
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Inspect network flow logs for outbound connections from Compute GalleryEnable and review Azure Network Watcher NSG flow logs or use Azure Firewall logs to examine outbound traffic from the Compute Gallery service, looking for requests to internal or unexpected external IP addressesAffected if Outbound network requests from Compute Gallery go to internal Azure resources, internal on-premises networks, or unexpected external endpoints
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Check Azure Security Center or Defender for Cloud alertsReview security alerts in Azure Security Center (now Defender for Cloud) specifically for SSRF-related alerts or anomalous behavior related to Azure Compute GalleryAffected if Security alerts indicate SSRF attempts or suspicious network activity originating from Azure Compute Gallery
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Review role-based access control assignments for Compute GalleryRun 'az role assignment list --scope "/subscriptions/{sub-id}/resourceGroups/{rg}/providers/Microsoft.Compute/galleries"' to list principals with access to gallery resourcesAffected if Unrecognized or unexpected service principals or external users have permissions on Compute Gallery resources
User is affected if Azure Compute Gallery is enabled in their subscription and there is evidence of unauthorized network requests, unexpected service principal activity, or SSRF-related security alerts.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply Microsoft-provided patches or configuration updates for Azure Compute Gallery; monitor Azure Security Center for related alerts and implement network segmentation to limit potential impact from SSRF exploitation.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,696.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-59503 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-59503 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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