CVE-2025-27253
No known exploitation. EPSS puts it in the 12th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
A CWE-15 "External Control of System or Configuration Setting" in GE Vernova UR IED family devices from version 7.0 up to 8.60 allows an attacker to provide input that establishes a TCP connection through a port forwarding. The lack of the IP address and port validation may allow the attacker to bypass firewall rules or to send malicious traffic in the network.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 12th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 211 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- N60 multilinICS / OT / IoT / plc-scada-hmi
- B30 MultilinICS / OT / IoT / plc-scada-hmi
- B90 MultilinICS / OT / IoT / plc-scada-hmi
- C30 MultilinICS / OT / IoT / plc-scada-hmi
- C60 MultilinICS / OT / IoT / plc-scada-hmi
- C70 MultilinICS / OT / IoT / plc-scada-hmi
- C95 MultilinICS / OT / IoT / plc-scada-hmi
- D30 MultilinICS / OT / IoT / plc-scada-hmi
And 12 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
Scored 6.1 by NVD.
How it is reached
- Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity NoneNo integrity impact
- Availability LowReduced performance or intermittent disruption of service
Weaknesses
Sources
References in the record
- gevernova.com/grid-solutions/app/DownloadFile.aspx?prod=urfamily&type=21&file=76
- nozominetworks.com/labs/vulnerability-advisories-cve-2025-27253
- gevernova.com/grid-solutions/passport/login.aspx?ReturnUrl=%2fgrid-solutions%2fapp%2fDownloadFile.aspx%3fprod%3durfamily%26type%3d21%26file%3d76&
And 1 more reference. See all after sign-in
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