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CVE-2025-20371 is a high-severity blind server-side request forgery vulnerability in Splunk Enterprise and Splunk Cloud Platform. In affected versions, an unauthenticated attacker can cause the Splunk server to issue HTTP requests to unintended destinations. Available reporting indicates the issue is associated with Distributed Search Peers and insufficient validation or restriction of user-controlled request targets, enabling the server to send outbound requests on the attacker’s behalf. Under the documented exploitation conditions, the forged requests may be performed in the security context of an authenticated high-privileged user, potentially allowing REST API actions against internal Splunk services or other reachable internal resources. Because the SSRF is blind, the attacker does not directly receive the response body, but can still induce server-side interactions with internal or external endpoints.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A blind SSRF vulnerability in Splunk Enterprise, mentioned only for historical comparison.
A previously disclosed blind SSRF vulnerability in Splunk Enterprise through Distributed Search Peers, mentioned as related historical context.
A high-severity unauthenticated blind server-side request forgery (SSRF) vulnerability in Splunk Enterprise and Splunk Cloud Platform, allowing attackers to make REST API requests with elevated privileges if certain settings are enabled.
A high-severity SSRF vulnerability in Splunk Enterprise and Cloud Platform that could allow unauthenticated attackers to perform REST API calls as high-privileged users.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.