WAF Release: Oracle E-Business Suite RCE Detection and Rule Improvements
Cloudflare deployed enhanced WAF rules for detecting and blocking CVE-2025-61882, a critical vulnerability in Oracle E-Business Suite that allows unauthenticated remote code execution. The update also improves existing rule coverage for more reliable request processing protection.
This week’s update introduces an enhanced rule that expands detection coverage for a critical vulnerability in Oracle E-Business Suite. It also improves an existing rule to provide more reliable coverage in request processing.
Key Findings
New WAF rule deployed for Oracle E-Business Suite (CVE-2025-61882) to block unauthenticated attacker's network access via HTTP to compromise Oracle Concurrent Processing. If successfully exploited, this vulnerability may result in remote code execution.
Impact
- Successful exploitation of CVE-2025-61882 allows unauthenticated attackers to execute arbitrary code remotely by chaining multiple weaknesses, enabling lateral movement into internal services, data exfiltration, and large-scale extortionware deployment within Oracle E-Business Suite environments.
| Ruleset | Rule ID | Legacy Rule ID | Description | Previous Action | New Action | Comments |
|---|---|---|---|---|---|---|
| Cloudflare Managed Ruleset | ...2b4101ab | 100598A | Remote Code Execution - Common Bash Bypass - Beta | Log | Block | This rule is merged into the original rule "Remote Code Execution - Common Bash Bypass" (ID: ...50cec478) |
| Cloudflare Managed Ruleset | ...a1118614 | 100916A | Oracle E-Business Suite - Remote Code Execution - CVE:CVE-2025-61882 - 2 | Log | Block | This is a New Detection |
| Cloudflare Managed Ruleset | ...c22b51d3 | N/A | HTTP Truncated | N/A | Disabled | This is a New Detection |
Source: original entry ↗
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