Unauthenticated RCE in AVEVA Process Optimization taoimr API
CVE-2025-61937 is a critical code injection vulnerability in AVEVA Process Optimization (formerly ROMeo) 2024.1 and earlier. Available advisory content describes the flaw as residing in the application's API layer and allowing an unauthenticated remote attacker to trigger arbitrary code execution via the "taoimr" service. Successful exploitation executes attacker-controlled code with OS SYSTEM-level privileges in the context of that service, which can lead to full compromise of the Model Application Server. The published metadata associates the issue with CWE-94 and CVSS v3.1 vector AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, indicating network reachability, low complexity, no privileges required, and no user interaction.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Unknown
A critical unauthenticated remote code execution vulnerability in the AVEVA Process Optimization API layer that allows arbitrary code execution as SYSTEM via the taoimr service.
A remote code execution vulnerability that could allow an unauthenticated attacker to execute code with OS system privileges of the “taoimr” service, potentially fully compromising the model application server.
The version that knows your environment.
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.