Authenticated DoS in AVEVA PI Data Archive / FactoryTalk Historian SE
CVE-2025-44019 is an uncaught-exception vulnerability in AVEVA PI Data Archive components used by Rockwell Automation FactoryTalk Historian Site Edition. The issue affects FactoryTalk Historian SE versions 11.00 and earlier. If exploited, an authenticated user can trigger a crash that shuts down necessary PI Data Archive subsystems. The resulting failure condition causes a denial of service, and depending on crash timing, data resident in snapshots or the write cache may be lost.
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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
If you can’t patch tonight, do this now.
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
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.