CVE-2014-5074
Public exploit available. Not confirmed exploited in the wild yet. 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
Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.
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
1 source with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
9.7% chance of exploitation activity in the next 30 days, which ranks it in the 95th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
A public exploit existed 61 days before the patch.
- EPSS band changemoderate → low
- Patch availablerecord updated
- Public exploit / PoCsource: exploit-db
- Publishedweakness classified
Affected products
- simatic s7-1500 cpu firmwareICS / OT / IoT
- simatic s7-1511-1 pn cpuICS / OT / IoT
- simatic s7-1513-1 pn cpuICS / OT / IoT
- simatic s7-1515-2 pn cpuICS / OT / IoT
- simatic s7-1516-3 pn\/dp cpuICS / OT / IoT
- simatic s7-1516f-3 pn\/dp cpuICS / OT / IoT
- simatic s7-1518-4 pn\/dp cpuICS / OT / IoT
- simatic s7-1518f-4 pn\/dp cpuICS / OT / IoT
And 1 more affected product. See all after sign-in
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:M/Au:N/C:N/I:N/A:C
Scored 7.1 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity MediumSome conditions must be met
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability CompleteTotal shutdown of the affected resource
Weaknesses
Sources
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